Rules of the Road



This page contains all possible questions which might be thrown at you in the "Rules of the Road" module exam.  When you go in for your exam, your test questions will be selected from the list below.



4: INLAND ONLY A vessel proceeding downstream in a narrow channel on the Western Rivers sights another vessel moving upstream. Which vessel has the right of way?

    a. The vessel moving upstream against the current
    b. The vessel moving downstream with a following current
    c. The vessel located more towards the channel centerline
    d. The vessel sounding the first whistle signal
5: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.

    a. attempt to contact her on the radiotelephone to arrange for the passage
    b. proceed to overtake her without sounding whistle signals
    c. sound five short blasts
    d. All of the above
6: INLAND ONLY A vessel displaying a flashing blue light is __________.

    a. transferring dangerous cargo
    b. a law enforcement vessel
    c. a work boat
    d. engaged in a race
7: INLAND ONLY When power-driven vessels are crossing, a signal of one short blast by either vessel means __________.

    a. "I intend to leave you on my port side"
    b. "I intend to hold course and speed"
    c. "I intend to change course to starboard"
    d. "I request a departure from the Rules"
8: INLAND ONLY If you were coming up on another power-driven vessel from dead astern and desired to overtake on the other vessel's starboard side, which whistle signal would you sound?

    a. One short blast
    b. One prolonged blast
    c. Two short blasts
    d. Two prolonged blasts
9: INLAND ONLY Which statement is TRUE concerning narrow channels?

    a. You should keep to that side of the channel which is on your port side.
    b. You should avoid anchoring in a narrow channel.
    c. A vessel having a following current will propose the manner of passage in any case where two vessels are meeting.
    d. All of the above
10: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?

    a. Seaplane
    b. Restricted visibility
    c. Underway
    d. Vessel constrained by her draft
11: INLAND ONLY When you are overtaking another vessel and desire to pass on her left or port hand, you should sound __________.

    a. one short blast
    b. one long blast
    c. two short blasts
    d. two prolonged blasts
12: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the steering and sailing rules, you should __________.

    a. sound the danger signal
    b. sound one prolonged and two short blasts
    c. exchange two short blasts
    d. exchange one short blast
13: INLAND ONLY Yellow lights are NOT used to identify __________.

    a. U.S. submarines
    b. vessels pushing ahead
    c. law enforcement vessels
    d. dredge pipelines on trestles
14: INLAND ONLY You have made your vessel up to a tow and are moving from a pier out into the main channel. Your engines are turning ahead. What whistle signal should you sound?

    a. One prolonged and two short blasts
    b. Three long blasts
    c. One prolonged blast
    d. Five or more short rapid blasts
15: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of the two short blasts signal used when meeting another vessel?

    a. "I am turning to starboard."
    b. "I am turning to port."
    c. "I intend to leave you on my starboard side."
    d. "I intend to leave you on my port side."
16: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.

    a. the Western Rivers
    b. the Great Lakes on the United States side of the International Boundary
    c. harbors and rivers shoreward of the COLREGS demarcation lines
    d. All of the above
17: INLAND ONLY A power-driven vessel crossing a river on the Western Rivers has the right of way over __________.

    a. vessels ascending the river
    b. vessels descending the river
    c. all vessels ascending and descending the river
    d. None of the above
18: INLAND ONLY Which lights are required for a barge, not part of a composite unit, being pushed ahead?

    a. Sidelights and a stern light
    b. Sidelights, a special flashing light, and a stern light
    c. Sidelights and a special flashing light
    d. Sidelights, a towing light, and a stern light
19: INLAND ONLY A power-driven vessel operating in a narrow channel with a following current on the Great Lakes or Western Rivers is meeting an upbound vessel. Which statement is TRUE?

    a. The downbound vessel has the right-of-way.
    b. The downbound vessel must initiate the required maneuvering signals.
    c. The downbound vessel must propose the manner and place of passage.
    d. All of the above
20: INLAND ONLY Your vessel is proceeding down a channel, and can safely navigate only within the channel. Another vessel is crossing your bow from port to starboard, and you are in doubt as to her intentions. Which statement is TRUE?

    a. The sounding of the danger signal is optional.
    b. The sounding of the danger signal is mandatory.
    c. You should sound two short blasts.
    d. You should sound one prolonged and two short blasts.
21: INLAND ONLY The stand-on vessel in a crossing situation sounds one short blast of the whistle. This means that the vessel __________.

    a. intends to hold course and speed
    b. is changing course to starboard
    c. is changing course to port
    d. intends to leave the other on her port side
22: INLAND ONLY You are crossing the course of another vessel which is to your starboard. You have reached an agreement by radiotelephone to pass astern of the other vessel. You MUST __________.

    a. sound one short blast
    b. sound two short blasts
    c. change course to starboard
    d. None of the above
23: INLAND ONLY Passing signals shall be sounded on inland waters by __________.

    a. all vessels upon sighting another vessel rounding a bend in the channel
    b. towing vessel when meeting another towing vessel on a clear day with a 0.6 mile CPA (Closest Point of Approach)
    c. a power-driven vessel when crossing less than half a mile ahead of another power-driven vessel
    d. All of the above
24: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown would you show on the after end of an inconspicuous partially submerged vessel or object being towed less than 200 meters in length? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. No day-shape would be shown.
25: INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side will sound a whistle signal of __________.

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by one short blast
    d. two prolonged blasts followed by two short blasts
26: INLAND ONLY A law enforcement boat may display a __________.

    a. blue flag
    b. flashing blue light
    c. flashing red light
    d. flashing amber light
27: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.

    a. one short blast, alter course to port, and pass starboard to starboard
    b. one short blast, alter course to starboard, and pass port to port
    c. two short blasts, alter course to port, and pass starboard to starboard
    d. two short blasts, alter course to starboard, and pass port to port
28: INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would sound a whistle signal of __________.

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by one short blast
    d. two prolonged blasts followed by two short blasts
29: INLAND ONLY A fleet of moored barges extends into a navigable channel. What is the color of the lights on the barges?

    a. Red
    b. Amber
    c. White
    d. Yellow
30: INLAND ONLY Which signal must a power-driven vessel give, in addition to one prolonged blast, when backing out of a berth with another vessel in sight?

    a. 2 short blasts
    b. 1 blast
    c. 3 short blasts
    d. 4 blasts
31: INLAND ONLY At night, a light signal consisting of two flashes by a vessel indicates __________.

    a. an intention to communicate over radiotelephone
    b. that the vessel is in distress
    c. an intention to leave another vessel to port
    d. an intention to leave another vessel to starboard
32: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.

    a. proceed to overtake her without sounding whistle signals
    b. attempt to contact her on the radiotelephone to arrange for the passage
    c. sound four short blasts
    d. Any of the above
33: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "inland waters" includes __________.

    a. the Great Lakes on the United States side of the International Boundary
    b. the water surrounding any islands of the United States
    c. the coastline of the United States, out to one mile offshore
    d. any lakes within state boundaries
34: INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?

    a. 2
    b. 1
    c. 3
    d. None
35: INLAND ONLY You are on vessel "B" and vessel "A" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 9 )

    a. alter course to the left
    b. slow your vessel until vessel "A" has passed
    c. hold course and speed
    d. alter course to the left or right to give vessel "A" more sea room
36: INLAND ONLY Which type of vessel is NOT mentioned in the Inland Navigation Rules?

    a. An inconspicuous, partly submerged vessel
    b. A seaplane
    c. An air-cushion vessel
    d. A vessel constrained by her draft
37: INLAND ONLY You are operating a vessel through a narrow channel and your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to her intentions. You __________.

    a. must sound the danger signal
    b. are required to back down
    c. may sound the danger signal
    d. should sound one short blast to show that you are holding course and speed
38: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.

    a. one short blast, alter course to the left, and pass starboard to starboard
    b. two short blasts, alter course to the left, and pass starboard to starboard
    c. one short blast, alter course to the right, and pass port to port
    d. two short blasts, alter course to the right, and pass port to port
39: INLAND ONLY Which indicates the presence of a partly submerged object being towed?

    a. A diamond shape on the towed object
    b. An all-round light at each end of the towed object
    c. A searchlight beamed from the towing vessel in the direction of the tow
    d. All of the above
40: INLAND ONLY The light used to signal passing intentions is a(n) __________.

    a. all-round white light ONLY
    b. all-round yellow light ONLY
    c. all-round white or yellow light
    d. light of any color
41: INLAND ONLY Two vessels in a crossing situation have reached agreement by radiotelephone as to the intentions of the other. In this situation, whistle signals are __________.

    a. required
    b. not required, but may be sounded
    c. required if crossing within half a mile
    d. required when crossing within one mile
42: INLAND ONLY You are underway in a narrow channel, and are being overtaken by another power-driven vessel. The overtaking vessel sounds the signal indicating his intention to pass you on your starboard side. You signal your agreement by sounding __________.

    a. one short blast
    b. two prolonged blasts
    c. two prolonged followed by two short blasts
    d. one prolonged, one short, one prolonged, and one short blast in that order
43: INLAND ONLY You are meeting another vessel head-on and sound one short blast as a passing signal. The other vessel answers with two short blasts. What should be your next action?

    a. Pass on the other vessel's starboard side.
    b. Sound the danger signal.
    c. Pass astern of the other vessel.
    d. Hold your course and speed.
44: INLAND ONLY What lights are required for a barge being pushed ahead, not being part of a composite unit?

    a. Sidelights and a stern light
    b. Sidelights and a special flashing light
    c. Sidelights, a towing light, and a stern light
    d. Sidelights, a special flashing light, and a stern light
45: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel, and you wish to overtake on the other vessel's port side. You will sound a whistle signal of __________.

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by one short blast
    d. two prolonged blasts followed by two short blasts
46: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.

    a. not be required to be lighted
    b. show a white light at each corner
    c. show a red light at the bow and stern
    d. show a flashing yellow light at each corner
47: INLAND ONLY A flashing blue light is used to identify __________.

    a. law enforcement vessels
    b. U.S. submarines
    c. air-cushion vessels in the nondisplacement mode
    d. dredge pipelines on trestles
48: INLAND ONLY Which statement is TRUE concerning the fog signal of a vessel 15 meters in length, anchored in a "special anchorage area" approved by the Secretary?

    a. The vessel is not required to sound a fog signal.
    b. The vessel shall ring a bell for 5 seconds every minute.
    c. The vessel shall sound one blast of the foghorn every 2 minutes.
    d. The vessel shall sound three blasts on the whistle every 2 minutes.
49: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.

    a. four short blasts
    b. one long blast
    c. one prolonged blast
    d. No signal is required.
50: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass about 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )

    a. Both vessels should continue on course and pass without sounding any whistle signals.
    b. The vessels should exchange two blast whistle signals and pass port to port.
    c. The vessels should exchange two blast whistle signals and pass starboard to starboard.
    d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course.
51: INLAND ONLY Which statement is TRUE concerning the Inland Navigation Rules?

    a. They list requirements for Traffic Separation Schemes.
    b. They define moderate speed.
    c. They require communication by radiotelephone to reach a passing agreement.
    d. All of the above
52: INLAND ONLY Whistle signals shall be exchanged by vessels in sight of one another when __________.

    a. they are passing within half a mile of each other
    b. passing agreements have been made by radio
    c. course changes are necessary to pass
    d. doubt exists as to which side the vessels will pass on
53: INLAND ONLY You are on vessel "A" and vessel "B" desires to overtake you on the starboard side as shown. After the vessels have exchanged one blast signals you should __________. (DIAGRAM 38 )

    a. alter course to the left
    b. slow your vessel until vessel "B" has passed
    c. hold course and speed
    d. alter course to the left or right to give vessel "B" more sea room
54: INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?

    a. 1
    b. 2
    c. 3
    d. None
55: INLAND ONLY The lights shown are those of a __________. (DIAGRAM 75 )

    a. pipeline
    b. vessel pushing ahead
    c. vessel being towed astern
    d. vessel underway and dredging
56: INLAND ONLY Your vessel must remain in a narrow channel for safe operation. Another vessel is crossing the channel from your starboard. You do not think she will pass safely. You MUST __________.

    a. stop your vessel, since the other vessel has the right of way
    b. sound one short blast of the whistle, and turn to starboard
    c. sound the danger signal
    d. stop your engines, and you may sound the danger signal
57: INLAND ONLY While underway during the day you sight a small motorboat showing a flashing blue light. The blue light indicates a __________.

    a. law enforcement boat
    b. boat involved in a race
    c. Coast Guard Auxiliary Vessel on regatta patrol
    d. rescue boat
58: INLAND ONLY While underway, you sight the lights as shown, with the yellow lights flashing. You should __________. (DIAGRAM 81 )

    a. wait until the vessel ahead crosses your bow
    b. stop until the red lights turn green
    c. proceed leaving all the lights on your starboard side
    d. pass between the two sets of vertical red lights
59: INLAND ONLY When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.

    a. "I intend to leave you on my port side"
    b. "I intend to hold course and speed"
    c. "I intend to change course to starboard"
    d. "I request a departure from the rules"
60: INLAND ONLY Two vessels are meeting on a clear day and will pass less than half a mile apart. In this situation whistle signals __________.

    a. must be exchanged
    b. may be exchanged
    c. must be exchanged if passing agreements have not been made by radio
    d. must be exchanged only if course changes are necessary by either vessel
61: INLAND ONLY Your power-driven vessel is overtaking another power-driven vessel in a narrow channel. You wish to overtake her on her starboard side. You should sound a whistle signal of __________.

    a. one short blast
    b. two prolonged blasts followed by one short blast
    c. one prolonged and one short blast
    d. at least five short blasts
62: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?

    a. She has the right-of-way only if she is a power-driven vessel.
    b. She has the right-of-way only if she has a tow.
    c. She does not have the right-of-way, since the other vessel is not crossing the river.
    d. She must wait for a whistle signal from the upbound vessel.
63: INLAND ONLY A vessel of less than 20 meters in length at anchor at night in a "special anchorage area designated by the Secretary" __________.

    a. must show one white light
    b. need not show any lights
    c. must show two white lights
    d. need show a light only on the approach of another vessel
64: INLAND ONLY At night, which lights are required on barges moored in a group formation more than two barges wide?

    a. Two unobstructed all-round white lights
    b. All-round white lights placed at the corners of each barge in the group
    c. Two unobstructed all-round yellow lights
    d. Two red lights in a vertical line at the corner extremities of the group
65: INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. Which whistle signal should be sounded in order to state this intention?

    a. 1 short blast
    b. 2 short blasts
    c. 2 prolonged and 1 short blasts
    d. 2 prolonged and 2 short blasts
66: INLAND ONLY A towing vessel pushing ahead on the Western Rivers above the Huey P. Long bridge must show __________.

    a. sidelights only
    b. sidelights and towing lights
    c. sidelights, towing lights, and two masthead lights
    d. sidelights, towing lights, and three masthead lights
67: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.

    a. two short blasts
    b. one long blast
    c. one prolonged blast
    d. the danger signal
68: INLAND ONLY Which is CORRECT regarding a "special flashing light"?

    a. It must be yellow in color.
    b. It must be placed as far forward as possible.
    c. It must not show through an arc of more than 225°.
    d. All of the above
69: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.

    a. the Western Rivers, extending to the COLREGS demarcation line
    b. harbors and rivers to the outermost aids to navigation
    c. waters along the coast of the United States to a distance of two miles offshore
    d. None of the above
70: INLAND ONLY Vessels "A" and "B" are meeting in a narrow channel as shown. Which statement is TRUE concerning whistle signals between the vessels? (DIAGRAM 29 )

    a. Both vessels should sound two short blasts.
    b. Both vessels should sound one short blast.
    c. Vessel "A" should sound one short blast and vessel "B" should sound two short blasts.
    d. Neither vessel should sound any signal as no course change is necessary.
71: INLAND ONLY Which is TRUE of a power-driven vessel, bound downstream, when meeting an upbound vessel on the Western Rivers?

    a. She has the right-of-way.
    b. She shall propose the manner of passage.
    c. She shall initiate maneuvering signals.
    d. All of the above
72: INLAND ONLY You are approaching a vessel displaying the lights as shown. This is a(n) __________. (DIAGRAM 75 )

    a. meeting head-on situation
    b. crossing situation
    c. overtaking situation
    d. special circumstance situation
73: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.

    a. sound one short blast
    b. sound four short blasts
    c. overtake her without sounding whistle signals
    d. attempt to contact her on the radiotelephone to arrange for the passage
74: INLAND ONLY Which term is NOT used in the Inland Navigation Rules?

    a. A vessel engaged in mineclearing operations
    b. A vessel constrained by her draft
    c. A vessel towing
    d. A vessel engaged in fishing
75: INLAND ONLY You are on vessel "A", and vessel "B" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 31 )

    a. alter course to the left
    b. slow your vessel until vessel "B" has passed
    c. hold course and speed
    d. alter course to the left to give vessel "B" more sea room
76: INLAND ONLY A special flashing light is used on a vessel(s) __________.

    a. being pushed ahead
    b. at anchor in a fairway
    c. towed astern
    d. All of the above
77: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass about 1/4 mile apart. What action should the vessels take? (DIAGRAM 41 )

    a. Both vessels should continue on course and pass without sounding any whistle signals.
    b. The vessels should exchange two blast whistle signals and pass starboard to starboard.
    c. The vessels should exchange one blast whistle signals and pass starboard to starboard.
    d. The vessels should pass starboard to starboard and must sound whistle signals only if either vessel changes course.
78: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of a one short blast signal used when meeting another vessel?

    a. "I am turning to starboard."
    b. "I am turning to port."
    c. "I intend to leave you on my starboard side."
    d. "I intend to leave you on my port side."
79: INLAND ONLY On the Western Rivers, a power-driven vessel crossing a river must __________.

    a. maintain course and speed as you have the right of way over all vessels
    b. keep out of the way of any vessel descending the river
    c. keep out of the way of a power-driven vessel ascending or descending the river
    d. None of the above
80: INLAND ONLY While underway at night, you see two yellow lights displayed in a vertical line. This should indicate to you a(n) __________.

    a. opening in a pipeline
    b. vessel broken down
    c. vessel pushing ahead
    d. vessel fishing
81: INLAND ONLY When two power-driven vessels are meeting on the Great Lakes, Western Rivers, or waters specified by the Secretary, where there is a current, which vessel shall sound the first passing signal?

    a. The vessel going upstream stemming the current
    b. The vessel downbound with a following current
    c. The vessel that is towing regardless of the current
    d. Either vessel
82: INLAND ONLY A vessel leaving a dock or berth must sound a prolonged blast of the whistle only if __________.

    a. other vessels can be seen approaching
    b. she is a power-driven vessel
    c. visibility is restricted
    d. her engines are going astern
83: INLAND ONLY If your tug is pushing a barge ahead at night and it is not a composite unit, which light(s) should show aft on your vessel?

    a. A white stern light
    b. Two red lights
    c. Two towing lights
    d. A towing light over the stern light
84: INLAND ONLY You are in charge of a power-driven vessel crossing a river on the Western Rivers. You must keep out of the way of a __________.

    a. sail vessel descending the river
    b. power-driven vessel ascending the river
    c. sail vessel ascending the river
    d. All of the above
85: INLAND ONLY A power-driven vessel crossing a river on the Great Lakes or Western Rivers, must keep out of the way of a power-driven vessel __________.

    a. descending the river with a tow
    b. ascending the river with a tow
    c. ascending the river without a tow
    d. All of the above
86: INLAND ONLY What is the whistle signal used to indicate a power-driven vessel leaving a dock?

    a. One short blast
    b. Three short blasts
    c. One prolonged blast
    d. Three prolonged blasts
87: INLAND ONLY Which statement is TRUE concerning the light used for maneuvering signals?

    a. It must be synchronized with the whistle.
    b. It may be white or yellow.
    c. It must be an all-round light.
    d. All of the above
88: INLAND ONLY Two power-driven vessels are meeting in the situation as shown. One short blast by vessel "A" means __________. (DIAGRAM 37 )

    a. "I am altering my course to starboard"
    b. "I intend to leave you on my port side"
    c. "My intention is to hold course and speed"
    d. "I intend to pass on your starboard side"
89: INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You __________.

    a. may sound the danger signal
    b. must sound the danger signal
    c. should sound one short blast to indicate that you are holding course and speed
    d. are required to back down
90: INLAND ONLY Two vessels are in a starboard to starboard meeting situation and will pass well clear approximately 1/4 mile apart. Which action should each vessel take?

    a. Sound a one blast whistle signal and turn to starboard.
    b. Maintain course and sound no signal.
    c. Sound a two blast whistle signal and maintain course.
    d. Sound a three blast whistle signal and turn to port.
91: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown would you show on the after end of an inconspicuous partially submerged vessel or object being towed over 200 meters in length? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. No day-shape would be shown.
92: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, below the Huey P. Long Bridge, shall carry __________.

    a. two masthead lights, sidelights and stern light
    b. two masthead lights, sidelights and two towing lights
    c. sidelights and two towing lights
    d. one masthead light, sidelights and stern light
93: INLAND ONLY While underway in a harbor you hear a vessel sound a prolonged blast. This signal indicates that this vessel __________.

    a. desires to overtake your vessel
    b. is at anchor
    c. is backing her engines
    d. is moving from a dock
94: INLAND ONLY You are overtaking another power-driven vessel and sound a whistle signal indicating that you intend to pass the vessel along her starboard side. If the other vessel answers your signal with five short and rapid blasts, you should __________.

    a. not overtake the other vessel until both vessels exchange the same passing signal
    b. not overtake the other vessel until she sounds another five short and rapid blast signal
    c. pass the other vessel along her starboard side
    d. sound five short and rapid blasts and pass along her starboard side
95: INLAND ONLY You are meeting another vessel in inland waters, and she sounds one short blast on the whistle. This means that she __________.

    a. is changing course to starboard
    b. is changing course to port
    c. intends to leave you on her port side
    d. desires to depart from the Rules
96: INLAND ONLY You are approaching a sharp bend in a river. You have sounded a prolonged blast and it has been answered by a vessel on the other side of the bend. Which statement is TRUE?

    a. Both vessels must exchange passing signals when in sight and passing within one-half mile of each other.
    b. No further whistle signals are necessary.
    c. The vessel downriver must stop her engines and navigate with caution.
    d. Both vessels must immediately sound passing signals whether or not they are in sight of each other.
97: INLAND ONLY Which statement is TRUE concerning a passing agreement made by radiotelephone?

    a. Such an agreement is prohibited by the Rules.
    b. A vessel which has made such an agreement must also sound whistle signals.
    c. Whistle signals must still be exchanged when passing within half a mile of each other.
    d. If agreement is reached by radiotelephone, whistle signals are optional.
98: INLAND ONLY You are aboard the stand-on vessel in a crossing situation. You sound a one blast whistle signal. The give-way vessel answers with a two blast whistle signal. You should sound the danger signal and __________.

    a. maintain course and speed as you are the stand-on vessel
    b. come around sharply to port
    c. take precautionary action until a safe passing agreement is made
    d. maneuver around the stern of the other vessel
99: INLAND ONLY A power-driven vessel when pushing ahead or towing alongside on the Western Rivers (above the Huey P. Long Bridge on the Mississippi River) shall exhibit __________.

    a. two masthead lights, sidelights, and stern light
    b. two masthead lights, sidelights, and two towing lights
    c. sidelights and two towing lights
    d. one masthead light, sidelights, and stern light
100: INLAND ONLY Only law enforcement vessels are permitted to show __________.

    a. two red lights in a vertical line
    b. a flashing yellow light
    c. an alternately flashing red and yellow light
    d. a flashing blue light
101: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel on her starboard side. Your first whistle signal should be __________.

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by one short blast
    d. two prolonged blasts followed by two short blasts
102: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown must you show when at anchor? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. D
103: INLAND ONLY Which light display would mark the opening in a pipeline where vessels could pass through?

    a. Three red lights in a vertical line on each side of the opening
    b. Two red lights in a vertical line on each side of the opening
    c. Three white lights in a vertical line on each side of the opening
    d. Two white lights in a vertical line on each side of the opening
103: INLAND ONLY Which light display would mark the opening in a pipeline where vessels could pass through?

    a. Three red lights in a vertical line on each side of the opening
    b. Two red lights in a vertical line on each side of the opening
    c. Three white lights in a vertical line on each side of the opening
    d. Two white lights in a vertical line on each side of the opening
104: INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?

    a. Two unobstructed all-round white lights
    b. Two yellow lights in a vertical line at the stern
    c. A red light placed on all four corners
    d. A red light placed on the two corners farthest from the bank
105: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your FIRST whistle signal should be __________.

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by one short blast
    d. two prolonged blasts followed by two short blasts
106: INLAND ONLY You are overtaking another power-driven vessel and sound a whistle signal indicating that you intend to pass the vessel along her starboard side. If the other vessel answers your signal with five short and rapid blasts, you should __________.

    a. pass the other vessel along her starboard side
    b. sound five short and rapid blasts and pass along her starboard side
    c. not overtake the other vessel until both vessels exchange the same passing signal
    d. not overtake the other vessel until she sounds another five short and rapid blast signal
107: INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. What whistle signal should be sounded in order to state this intention?

    a. 1 prolonged and 1 short blast
    b. 1 short blast
    c. 2 prolonged and 2 short blasts
    d. 2 short blasts
108: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your first whistle signal should be __________.

    a. two prolonged blasts followed by one short blast
    b. two prolonged blasts followed by two short blasts
    c. one short blast
    d. two short blasts
109: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. In addition to a steady white light which other light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )

    a. Steady green light
    b. Flashing red light
    c. Flashing yellow light
    d. Flashing white light
110: INLAND ONLY Which statement is TRUE concerning the fog signal of a sailing vessel 25 meters in length, anchored in a "special anchorage area" approved by the Secretary?

    a. The vessel is not required to sound a fog signal.
    b. The vessel shall ring a bell for 5 seconds every minute.
    c. The vessel shall sound one blast of the whistle every 2 minutes.
    d. The vessel shall sound three blasts on the whistle every 2 minutes.
111: INLAND ONLY Which light display marks the opening in a pipeline where vessels could pass through?

    a. Two red lights in a vertical line on each side of the opening
    b. Three red lights in a vertical line on each side of the opening
    c. Two yellow lights in a vertical line on each side of the opening
    d. Three white lights in a vertical line on each side of the opening
112: INLAND ONLY While underway, you sight the lights shown, with the yellow lights flashing. You should __________. (DIAGRAM 81 )

    a. wait until the vessel ahead crosses your bow
    b. stop until the red lights turn green
    c. pass between the two sets of vertical red lights
    d. proceed, leaving all the lights on your starboard side
113: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.

    a. show a flashing yellow light at each corner
    b. show a white light at each corner
    c. show a red light at the bow and stern
    d. not be required to be lighted
114: INLAND ONLY At night, what lights are required on barges moored in a group formation more than two barges wide?

    a. All-round yellow lights placed at the corners of each barge in the group
    b. Two yellow lights in a vertical line at the corner extremities of the group
    c. Two unobstructed all-round white lights
    d. Two unobstructed all-round red lights
115: INLAND ONLY What is true of a "special flashing light"?

    a. It may show through an arc of 180°.
    b. It flashes at the rate of 120 flashes per minute.
    c. It is optional below the Baton Rouge Highway Bridge.
    d. All of the above
116: BOTH INTERNATIONAL & INLAND You are on a 30-meter fishing vessel. Which day shape must you show while engaged in fishing? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. D
117: INLAND ONLY Which is a characteristic of a "special flashing light"?

    a. It is required for all vessels being pushed ahead as part of a composite unit.
    b. It must show through an arc of not less than 180° nor more than 225°.
    c. It must be of the same character and construction as the masthead light.
    d. All of the above
118: BOTH INTERNATIONAL & INLAND You are on a vessel engaged in fishing, other than trawling, and have gear extending more than 150 meters horizontally from the vessel. Which day-shape must you show in the direction of the outlying gear? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. D
119: INLAND ONLY What MAY be used to indicate the presence of a partly submerged object being towed?

    a. A black cone, apex upward
    b. Two all-round yellow lights at each end of the tow
    c. The beam of a search light from the towing vessel shown in the direction of the tow
    d. All of the above
120: INLAND ONLY What shall be used to indicate the presence of a partly submerged object being towed?

    a. A black cone, apex downward
    b. An all-round white light at each end of the tow
    c. A flare-up light
    d. All of the above
122: INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?

    a. None
    b. One
    c. Two
    d. One, on the near approach of another vessel
123: INLAND ONLY What is not contained in the Inland Navigation Rules?

    a. An inconspicuous, partly submerged object
    b. Lights on pipelines
    c. A vessel constrained by her draft
    d. An air-cushion vessel
124: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?

    a. Towing light
    b. Vessel constrained by her draft
    c. In sight
    d. Restricted visibility
125: INLAND ONLY Under the Inland Navigation Rules, the term "Inland Waters" includes __________.

    a. any waters marked by U.S. aids to navigation
    b. harbors and rivers to the outermost aids to navigation
    c. waters along the coast of the United States to a distance of two miles offshore
    d. the Western Rivers, extending to the COLREGS demarcation line
126: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.

    a. the waters surrounding any islands of the U.S.
    b. the Great Lakes on the United States side of the boundary
    c. the coastline of the United States, out to one mile offshore
    d. any lakes within state boundaries
127: INLAND ONLY You are on board the stand-on vessel in a crossing situation. You sound a one blast whistle signal, and the give-way vessel answers with a two-blast signal. You should then sound the danger signal and __________.

    a. maintain course and speed
    b. come around sharply to port
    c. maneuver around the stern of the other vessel
    d. stop and back your vessel if necessary until signals are agreed upon
128: BOTH INTERNATIONAL & INLAND You are on a sailing vessel. While under sail you decide to use your engine to assist in propulsion. Which day signal would you show? (DIAGRAM 16 )

    a. D
    b. C
    c. B
    d. None of these day signals are correct.
129: INLAND ONLY You are proceeding in a channel in inland waters and are meeting an outbound vessel. Your responsibilities include __________.

    a. keeping to that side of the channel which is on your vessel's port side
    b. exchanging whistle signals if passing within half a mile
    c. stopping your vessel and letting the outbound vessel initiate signals for passing
    d. giving the outbound vessel the right of way
130: INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You are required to __________.

    a. slow to bare steerageway
    b. back down
    c. sound one short blast to indicate that you are holding course and speed
    d. sound the danger signal
131: INLAND ONLY You are navigating in a narrow channel and must remain in the channel for safe operation. Another vessel is crossing the channel ahead of you from your starboard. You are doubtful of intention of the crossing vessel. You MUST __________.

    a. stop your vessel, since the other vessel has the right of way
    b. sound the danger signal
    c. contact him on the radiotelephone to make a passing agreement
    d. stop your engines until you have slowed to bare steerageway
132: INLAND ONLY Which statement is TRUE of a power-driven vessel proceeding downbound with the current, when meeting an upbound vessel on the Western Rivers?

    a. She shall not impede the upbound vessel.
    b. She shall pass on the port side of the other.
    c. She shall propose the manner of passage.
    d. All of the above
133: INLAND ONLY A power-driven vessel operating in a narrow channel with a following current on the Great Lakes or Western Rivers is meeting an upbound vessel. Which statement is TRUE?

    a. The downbound vessel has the right of way.
    b. The upbound vessel must initiate the required maneuvering signals.
    c. The upbound vessel must propose the manner of passing.
    d. All of the above
134: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?

    a. Neither vessel has the right-of-way.
    b. She has the right-of-way only if she is power-driven.
    c. She does not have the right-of-way, since the other vessel is not crossing the river.
    d. She must wait for a whistle signal from the upbound vessel.
135: BOTH INTERNATIONAL & INLAND You are on a 30-meter trawler. Which day signal must you show while trawling? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. None of these day signals are correct.
136: INLAND ONLY Yellow lights are NOT used to identify __________.

    a. a dredge pipeline on a trestle
    b. the heads of tows being pushed ahead by tugboats
    c. purse seiners
    d. a seaplane on the water
137: INLAND ONLY A vessel displaying an alternating red and yellow light is __________.

    a. in distress
    b. enforcing the law
    c. engaged in public safety activities
    d. restricted in its ability to maneuver
138: INLAND ONLY A law enforcement vessel patrolling a marine regatta may show either a flashing blue light or __________.

    a. two amber lights in a horizontal line
    b. an alternately flashing red and yellow light
    c. a high intensity flashing white light (strobe)
    d. a fixed green light over a red flashing light
139: INTERNATIONAL ONLY Which day-shape must you show on the forward end of an inconspicuous partially submerged vessel or object being towed more than 200 meters in length? (DIAGRAM 16 )

    a. A
    b. B
    c. D
    d. No day-shape must be shown.
140: INLAND ONLY You are the stand-on vessel in a crossing situation. The other vessel is showing an alternating red and yellow light. Which action should you take?

    a. Stand on.
    b. Heave to.
    c. Alter course to assist.
    d. Yield the right-of-way.
141: INLAND ONLY You are the stand-on vessel in an overtaking situation. The other vessel is showing an alternately flashing red-and-yellow light. What action should you take?

    a. Alter course to assist
    b. Give-way
    c. Stand on
    d. Heave to
142: INLAND ONLY The special light for a vessel engaged in public safety activities must __________.

    a. be on top of the mast or highest structure of the vessel
    b. not interfere with the visibility of the navigation lights
    c. be as far forward as possible
    d. not be visible more than 22 1/2 degrees abaft the beam
143: INLAND ONLY A light used to signal passing intentions must be an __________.

    a. alternating red and yellow light
    b. alternating white and yellow light
    c. all-round white or yellow light
    d. all-round white light only
144: INLAND ONLY A light used to signal passing intentions must be an __________.

    a. all-round yellow light only
    b. all-round white light only
    c. alternating red and yellow light
    d. all-round white or yellow light
145: INLAND ONLY A light used to signal passing intentions must be a(n) __________.

    a. all-round white or yellow light
    b. all-round yellow light only
    c. all-round white light only
    d. 225° white light only
146: INLAND ONLY What characteristic must a light have if used to signal passing intentions?

    a. It must be an all-round white light.
    b. It must be an alternating blue and white light.
    c. It must be either an all-round white or an all-round yellow light.
    d. It must be an alternating red and yellow light.
147: INLAND ONLY What characteristic must a light used to indicate passing intentions have?

    a. It must be an alternating red and yellow light.
    b. It must be an all-round white light.
    c. It must be an all-round yellow light.
    d. It must be either an all-round white or an all-round yellow light.
148: INLAND ONLY In a narrow channel, you are underway on vessel "A" and desire to overtake vessel "B". After you sound two short blasts on your whistle, vessel "B" sounds five short and rapid blasts on the whistle. You should __________.

    a. pass with caution on the port side of vessel "B"
    b. wait for the other vessel to initiate a signal
    c. initiate another signal after the situation has stabilized
    d. immediately answer with the danger signal, and then sound one short blast
149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.

    a. two masthead lights, sidelights, and stern light
    b. two masthead lights, sidelights, and two towing lights
    c. sidelights and two towing lights
    d. one masthead light, sidelights, and stern light
150: INLAND ONLY A power-driven vessel, when leaving a dock or berth, must sound what signal?

    a. Three short blasts
    b. A long blast
    c. A prolonged blast
    d. No signal is required.
151: BOTH INTERNATIONAL & INLAND Which vessel is indicated by the day signal shown? (DIAGRAM 22 )

    a. A dredge indicating the side with the obstruction
    b. A fishing vessel with gear extending more than 150 meters horizontally
    c. A tug with a tow exceeding 200 meters which limits her ability to maneuver
    d. A vessel engaged in underwater operations with a diver down
152: BOTH INTERNATIONAL & INLAND The vessel showing the day signal is __________. (DIAGRAM 22 )

    a. A vessel engaged in mine clearance operations
    b. A fishing vessel with gear extending more than 150 meters horizontally
    c. A trawler shooting nets in the direction indicated
    d. A tug with a tow exceeding 200 meters unable to deviate from course
153: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )

    a. fishing vessel engaged in fishing
    b. trawler dragging nets
    c. sailing vessel
    d. dredge at work
154: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )

    a. sailing vessel
    b. trawler dragging nets
    c. vessel engaged in mine clearance
    d. dredge at work
155: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a(n) __________. (DIAGRAM 47 )

    a. sailing vessel
    b. air cushion vessel operating in the non-displacement mode
    c. submarine operating on the surface
    d. vessel pushing a barge ahead
156: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a(n) _________________________ (DIAGRAM 47 )

    a. vessel towing astern
    b. sailing vessel
    c. submarine operating on the surface
    d. vessel pushing a barge ahead
157: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )

    a. restricted in her ability to maneuver
    b. engaged in fishing
    c. not under command
    d. on pilotage duty
158: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )

    a. dredging while underway
    b. not under command
    c. engaged in trawling
    d. engaged in mineclearance
159: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )

    a. submarine on the surface
    b. air-cushion vessel in the non-displacement mode
    c. vessel engaged in trawling
    d. vessel not under command
160: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )

    a. vessel not under command
    b. air-cushion vessel in the non-displacement mode
    c. vessel engaged in fishing
    d. vessel engaged in underwater operations
161: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. NW
    b. SW
    c. NE
    d. SE
162: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading ___________ . (DIAGRAM 51 )

    a. SSW
    b. NW
    c. NE
    d. SE
163: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.

    a. flashing yellow light
    b. flashing blue light
    c. alternately flashing blue and red light
    d. alternately flashing red and yellow light
164: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. SE
    b. NE
    c. NW
    d. SW
165: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. SE
    b. NE
    c. SW
    d. NW
166: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. SE
    b. NE
    c. SW
    d. NW
168: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. NW
    b. SW
    c. NE
    d. SE
169: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. NW
    b. SW
    c. SE
    d. NE
170: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )

    a. vessel crossing from your starboard
    b. vessel crossing from your port
    c. vessel being overtaken
    d. vessel meeting head-on
171: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )

    a. vessel being overtaken
    b. vessel meeting head-on
    c. vessel crossing from your starboard
    d. vessel crossing from your port
172: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )

    a. sailing vessel
    b. vessel engage in trawling
    c. power-driven vessel
    d. mineclearance vessel
173: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )

    a. submarine on the surface
    b. power-driven vessel
    c. sailing vessel
    d. vessel engaged in trawling
174: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They could indicate a vessel __________. (DIAGRAM 71 )

    a. under sail and power
    b. dredging while underway
    c. fishing with nets extending more than 150 meters
    d. power-driven and approaching head-on
174: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They could indicate a vessel __________. (DIAGRAM 71 )

    a. under sail and power
    b. dredging while underway
    c. fishing with nets extending more than 150 meters
    d. power-driven and approaching head-on
175: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They indicate a vessel __________. (DIAGRAM 71 )

    a. trawling
    b. approaching head-on
    c. fishing with nets extending more than 150 meters
    d. dredging
176: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )

    a. 40-meter tug with tow exceeding 200 meters
    b. tug unable to maneuver as required by the Rules
    c. range marking a channel beneath a drawbridge
    d. 60-meter tug pushing a barge ahead
177: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )

    a. dredge working at anchor
    b. dredge restricted in its ability to maneuver
    c. 55-meter tug towing astern, length of tow exceeds 200 meters
    d. 65-meter tug towing astern, length of tow 150 meters
178: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a 65-meter tug towing a barge astern, length of tow 120 meters? (DIAGRAM 72 )

    a. A
    b. B
    c. C
    d. D
179: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a dredge underway and not dredging? (DIAGRAM 72 )

    a. A
    b. B
    c. C
    d. D
181: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )

    a. sailing vessel
    b. 8-meter power-driven vessel
    c. vessel not under command
    d. 12-meter fishing vessel
182: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )

    a. vessel under oars
    b. sailing vessel
    c. law enforcement vessel
    d. air-cushion vessel
183: BOTH INTERNATIONAL & INLAND Which vessel must show an after masthead light, if over 50 meters in length?

    a. A vessel engaged in fishing
    b. A vessel at anchor
    c. A vessel not under command
    d. A vessel trawling
185: BOTH INTERNATIONAL & INLAND You see the display of lights shown. It could be a __________. (DIAGRAM 54 )

    a. pilot vessel with a motor launch alongside
    b. fishing vessel adrift and fishing with handlines
    c. fishing vessel at anchor
    d. fishing vessel with outlying gear more than 150 meters
186: BOTH INTERNATIONAL & INLAND You see the display of lights shown. It could be a __________. (DIAGRAM 54 )

    a. pilot vessel with a motor launch alongside
    b. fishing vessel adrift and fishing with handlines
    c. fishing vessel making way
    d. dredge making way
187: BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel making way in dense fog. You observe what appears to be another vessel on radar half a mile distant on your port bow and closing. You must __________.

    a. sound the danger signal
    b. exchange passing signals
    c. sound one prolonged blast
    d. sound one short, one prolonged, and one short blast
188: INTERNATIONAL ONLY Yellow lights are NOT shown by __________.

    a. towing vessels pushing ahead
    b. air cushion vessels in a nondisplacement mode
    c. purse seiners
    d. U.S. submarines
189: BOTH INTERNATIONAL & INLAND You are on vessel "A" towing a barge alongside and meeting vessel "B" as shown. Which action should you take? (DIAGRAM 39 )

    a. Alter course to port
    b. Alter course to starboard
    c. Back down to reduce the strain on the lines
    d. Maintain course and speed
190: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )

    a. barge being pushed ahead
    b. barge being towed astern
    c. tug pushing a barge ahead
    d. tug towing a barge astern
191: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )

    a. bow of a barge being pushed ahead
    b. stern of a barge being towed astern
    c. masthead of a tug towing astern
    d. stern of a tug pushing ahead
193: BOTH INTERNATIONAL & INLAND You are on vessel "B" and crossing a narrow channel. Vessel "A", who can only navigate within the channel, is on your port bow and crossing as shown. Which action should you take? (DIAGRAM 40 )

    a. Maintain course and speed as the ship is on your port bow.
    b. Give way to the other vessel.
    c. Increase speed and cross his bow.
    d. Sound the danger signal.
194: BOTH INTERNATIONAL & INLAND You are on vessel "A" and proceeding down a narrow channel as shown. You can only navigate within the channel and vessel "B" is crossing so as to involve risk of collision. Which action would be most prudent? (DIAGRAM 40 )

    a. Back down and allow vessel "B" to cross ahead.
    b. Alter course to starboard to give him more room.
    c. Maintain course and speed.
    d. Sound the danger signal and take evasive action.
195: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a vessel __________. (DIAGRAM 78 )

    a. restricted in her ability to maneuver
    b. engaged in fishing and making way
    c. on pilotage duty and underway
    d. not under command
197: INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________.

    a. diamond shape when the length of the tow is 200 meters or less
    b. diamond shape when the length of the tow exceeds 200 meters in length
    c. black ball
    d. black ball only when the length of the tow exceeds 200 meters in length
198: INTERNATIONAL ONLY You are on a vessel that cannot comply with the spacing requirement for masthead lights. What is required in this situation?

    a. The vessel must carry only the lights that comply with the rules; the others may be omitted.
    b. The vessel's lights must comply as closely as possible, as determined by her government.
    c. The vessel must be altered to permit full compliance with the rules.
    d. An all-round light should be substituted for the after masthead light and the stern light.
199: INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthead lights. What is required in this situation?

    a. The vessel must carry only the lights that comply with the rules; the others may be omitted.
    b. The vessel's lights must comply as closely as possible.
    c. The vessel must be altered to permit full compliance with the rules.
    d. An all-round light should be substituted for the after masthead light and the stern light.
200: INLAND ONLY A partially submerged object towed by a vessel must show during the day one __________.

    a. diamond shape regardless of length of the tow
    b. diamond shape only when the length of the tow exceeds 200 meters in length
    c. black ball
    d. black ball only when the length of the tow exceeds 200 meters in length
204: INTERNATIONAL ONLY Vessels "A" and "B" are in a crossing situation on the high seas as shown. Vessel "B" sounds one short blast. What is the proper action for vessel "A" to take? (DIAGRAM 14 )

    a. Answer with one blast and hold course and speed
    b. Hold course and speed
    c. Answer with one blast and keep clear of vessel "B"
    d. Sound danger signal
205: INTERNATIONAL ONLY Which whistle signal may be sounded by one of two vessels in sight of each other?

    a. Four short blasts
    b. One prolonged blast
    c. One short blast
    d. One short, one prolonged, and one short blast
206: INTERNATIONAL ONLY What lights are required for a single barge being towed alongside?

    a. Sidelights and a stern light
    b. Sidelights, a special flashing light, and a stern light
    c. Sidelights and a special flashing light
    d. Sidelights, a towing light, and a stern light
207: INLAND ONLY What lights are required for a single barge being towed alongside?

    a. Sidelights and a stern light
    b. Sidelights, a special flashing light, and a stern light
    c. Sidelights and a special flashing light
    d. Sidelights, a towing light, and a stern light
208: INTERNATIONAL ONLY A single vessel being towed alongside shall show __________.

    a. one all-round white light
    b. sidelights and a stern light
    c. only the outboard sidelight and a stern light
    d. a masthead light, sidelights, and a stern light
209: INLAND ONLY A single vessel being towed alongside shall show __________.

    a. one all-round white light
    b. sidelights and a stern light
    c. only the outboard sidelight and a stern light
    d. a special flashing light, sidelights, and a stern light
210: INLAND ONLY A single vessel being towed alongside shall exhibit __________.

    a. one all-round white light
    b. sidelights, stern light and a special flashing light
    c. only the outboard sidelight and a stern light
    d. a masthead light, sidelights, and a stern light
211: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.

    a. one all-round white light
    b. sidelights, stern light and a special flashing light
    c. only the outboard sidelight and a stern light
    d. sidelights and a stern light
212: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This indicates a vessel __________. (DIAGRAM 54 )

    a. engaged in fishing, making way
    b. engaged in fishing, at anchor
    c. engaged in trawling, making way
    d. on pilotage duty, making way
213: INTERNATIONAL ONLY You see the lights shown. This is a __________. (DIAGRAM 66 )

    a. pilot vessel with a launch alongside
    b. dredge working at anchor
    c. vessel towing a barge alongside
    d. vessel pushing a barge ahead
214: INTERNATIONAL ONLY At night, you sight the lights shown. What do the lights indicate? (DIAGRAM 55 )

    a. A vessel fishing at anchor
    b. A tug with a tow alongside
    c. A tug not under command
    d. A pipeline
215: INTERNATIONAL ONLY At night you sight the lights shown. What do the lights indicate? (DIAGRAM 66 )

    a. Two vessels pair trawling
    b. A tug with a tow alongside
    c. A ship being assisted by a tug
    d. A vessel engaged in fishing
215: INTERNATIONAL ONLY At night you sight the lights shown. What do the lights indicate? (DIAGRAM 66 )

    a. Two vessels pair trawling
    b. A tug with a tow alongside
    c. A ship being assisted by a tug
    d. A vessel engaged in fishing
216: INLAND ONLY Signals shall be sounded by a power-driven vessel intending to overtake __________.

    a. any vessel when within half a mile of that vessel
    b. another power-driven vessel when both power-driven vessels are in sight of one another
    c. any vessel when both are in sight of one another
    d. another power-driven vessel only when within half a mile of that power-driven vessel
217: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________. (DIAGRAM 17 )

    a. give-way vessel
    b. stand-on vessel
    c. overtaken vessel
    d. None of the above
218: INLAND ONLY Your tug is pushing a barge ahead at night. What light(s) should show aft on your vessel? DIAGRAMS60,75,46,70

    a. The light(s) in Diagram 60.
    b. The light(s) in Diagram 75.
    c. The light(s) in Diagram 46.
    d. The light(s) in Diagram 70.
219: INLAND ONLY You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST __________.

    a. keep to that side of the channel which is on your vessel's port side
    b. stop your vessel, letting the outbound vessel sound the signals for meeting and passing
    c. propose or answer one- or two-blast whistle signals given by the other vessel if passing within 1/2 mile
    d. give the outbound vessel the right-of-way
221: INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?

    a. None
    b. 3
    c. 2
    d. 1
222: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?

    a. 1
    b. 3
    c. None
    d. 2
223: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?

    a. Two
    b. One
    c. One, on the near approach of another vessel
    d. None
224: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?

    a. None
    b. Two
    c. One
    d. One, on the near approach of another vessel
225: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?

    a. One
    b. None
    c. One, on the near approach of another vessel
    d. Two
226: INLAND ONLY While underway and in sight of another vessel a mile ahead you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?

    a. You must sound three short blasts on the whistle.
    b. You must sound one blast if backing to starboard.
    c. You must sound whistle signals only if the vessels are meeting.
    d. You need not sound any whistle signals.
227: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.

    a. alternately flashing red and yellow light
    b. flashing blue light
    c. flashing yellow light
    d. alternately flashing blue and red light
228: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.

    a. law enforcement
    b. patrolling a regatta
    c. hauling in pairs
    d. river bank protection
229: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________. (DIAGRAM 17 )

    a. overtaken vessel
    b. give-way vessel
    c. stand-on vessel
    d. None of the above
230: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is the __________. (DIAGRAM 17 )

    a. stand-on vessel
    b. give-way vessel
    c. burdened vessel
    d. None of the above
231: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is the __________. (DIAGRAM 17 )

    a. give-way vessel
    b. vessel being overtaken
    c. passing vessel
    d. None of the above
232: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" __________. (DIAGRAM 17 )

    a. should change course to the right
    b. should slow down until vessel "A" has passed
    c. should hold her course and speed
    d. may steer various courses and vessel "A" must keep clear
233: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. and will pass without changing course. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. Which light will vessel "A" observe from vessel "B"? (DIAGRAM 17 )

    a. Green light
    b. flashing red light
    c. flashing yellow light
    d. flashing white light
233: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. and will pass without changing course. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. Which light will vessel "A" observe from vessel "B"? (DIAGRAM 17 )

    a. Green light
    b. flashing red light
    c. flashing yellow light
    d. flashing white light
234: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Which color light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )

    a. Green
    b. White
    c. Flashing red
    d. Yellow over yellow
235: INLAND ONLY Vessel "A" is power-driven and overtaking power-driven vessel "B" as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )

    a. one short blast
    b. two short blasts
    c. one prolonged blast
    d. no signal
236: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )

    a. one short blast
    b. two short blasts
    c. one prolonged blast
    d. no whistle signal
237: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )

    a. no whistle signal
    b. two short blasts
    c. two prolonged blasts followed by two short blasts
    d. at least five short and rapid blasts
238: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are meeting in a narrow channel as shown but are not in sight of one another due to restricted visibility. Which statement is TRUE concerning whistle signals between the vessels? (DIAGRAM 29 )

    a. Both vessels should sound two short blasts.
    b. Both vessels should sound one short blast.
    c. Vessel "A" should sound one short blast and vessel "B" should sound two short blasts.
    d. None of the above statements is TRUE.
239: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )

    a. Both vessels should continue on course and pass without sounding any whistle signals.
    b. The vessels must exchange two blast whistle signals and pass port to port.
    c. The vessels must exchange one blast whistle signals and pass starboard to starboard
    d. The vessels may reach agreement by radiotelephone and sound no whistle signal.
240: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown and will pass without changing course. Which light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )

    a. yellow towing light
    b. white stern light
    c. green sidelight
    d. None of the above
241: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )

    a. Whistle signals must be exchanged in all cases when passing within one half mile of each other.
    b. The vessels should exchange two blast signals and pass port to port.
    c. If a passing agreement is reached by radiotelephone, whistle signals are optional, and the vessels should pass starboard to starboard as agreed.
    d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course.
242: BOTH INTERNATIONAL & INLAND You are on Vessel "A" engaged in fishing as shown in a narrow channel. Vessel "B" is a tanker proceeding in the channel. Vessel "B" sounds five short and rapid blasts. You should __________. (DIAGRAM 37 )

    a. not answer the whistle signals from vessel "B"
    b. maintain course and speed
    c. not impede the passage of vessel "B"
    d. sound one prolonged followed by two short blasts
243: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )

    a. sound two prolonged blasts followed by two short blasts
    b. not answer the whistle signal from vessel "B"
    c. sound two short blasts and maintain course and speed
    d. sound one prolonged, one short, one prolonged and one short blasts
244: BOTH INTERNATIONAL & INLAND You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", a large tanker which can safely navigate only within the channel, sounds five short and rapid blasts. You should __________. (DIAGRAM 32 )

    a. sound one prolonged followed by two short blasts
    b. not answer the whistle signal from vessel "B"
    c. maintain course and speed
    d. not impede the passage of vessel "B"
245: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )

    a. sound two prolonged blasts followed by two short blasts
    b. sound two short blasts
    c. maintain course and speed
    d. None of the above
246: INLAND ONLY You are on vessel "A" as shown in a narrow channel. Vessel "B" sounds two short blasts. If you are in agreement you should __________. (DIAGRAM 32 )

    a. sound two short blasts
    b. sound two prolonged followed by two short blasts
    c. not answer the whistle signals from vessel "B"
    d. None of the above
247: INLAND ONLY You are on vessel "I" and in sight of vessel "II" as shown. Vessel "II" sounds one short blast. If you agree, you should __________. (DIAGRAM 36 )

    a. sound one short blast and hold course and speed
    b. hold course and speed and sound no signal
    c. sound one short blast and slow down or turn to starboard
    d. sound the danger signal and slow to moderate speed
248: BOTH INTERNATIONAL & INLAND Vessels "I" and "II" are power-driven vessels. You are on vessel "I" as shown. You are the __________. (DIAGRAM 36 )

    a. give-way vessel
    b. stand-on vessel
    c. overtaking vessel
    d. None of the above
249: INLAND ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a power-driven vessel engaged in fishing that will pass within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )

    a. Hold course and speed without giving a signal.
    b. Sound the danger signal and reduce speed.
    c. Sound one short blast, reduce speed and turn to starboard.
    d. Sound one short blast and await response from the fishing vessel.
250: INLAND ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a power-driven vessel engaged in fishing that will pass within 1/2 a mile of your vessel. You sound one short blast on the whistle. Vessel "II" does not sound any signal. Which action should you take? (DIAGRAM 36 )

    a. Hold course and speed without giving a signal.
    b. Sound the danger signal and reduce speed.
    c. Sound one short blast, reduce speed and turn to starboard.
    d. Sound two short blasts and change course to port.
251: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass about 1/4 mile apart. Which action should the vessels take? (DIAGRAM 41 )

    a. The vessels should continue on course and pass without sounding any whistle signals.
    b. The vessels should exchange two blast whistle signals and pass starboard to starboard.
    c. The vessels should exchange one blast whistle signals and pass starboard to starboard
    d. The vessels should pass starboard to starboard and must sound whistle signals only if either vessel changes course.
252: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which action should the vessels take? (DIAGRAM 41 )

    a. The vessels should continue on course and pass without sounding any whistle signals.
    b. The vessels should exchange two blast whistle signals and pass starboard to starboard.
    c. The vessels should exchange one blast whistle signals and pass starboard to starboard.
    d. The vessel with the tow should initiate the whistle signals.
253: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light(s) on the tug & barge will you see, if you are on vessel "A"? (DIAGRAM 41 )

    a. a special flashing light
    b. two white masthead lights in a vertical line
    c. green sidelights
    d. All of the above
254: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which is one of the lights on vessel "B" that you will see if you are on vessel "A"? (DIAGRAM 41 )

    a. red sidelight
    b. yellow towing light
    c. special flashing light
    d. All of the above
255: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light on vessel "B" will you see if you are on vessel "A"? (DIAGRAM 41 )

    a. special flashing yellow light
    b. flashing blue light
    c. two yellow towing lights
    d. None of the above
256: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. If you are on vessel "A", in addition to the sidelight, which other light(s) will you see on vessel "B"? (DIAGRAM 41 )

    a. special flashing yellow light
    b. two white masthead lights in a vertical line
    c. two yellow towing lights
    d. None of the above
257: INLAND ONLY Two power-driven vessels are meeting in the situation as shown. One short blast from either vessel means __________. (DIAGRAM 37 )

    a. "I am altering my course to starboard."
    b. "I intend to leave you on my port side."
    c. "I intend to hold course and speed."
    d. "I intend to pass on your starboard side."
258: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 41 )

    a. Whistle signals must be exchanged in all situations when passing within one half mile.
    b. If a passing agreement is reached by radiotelephone, whistle signals are optional.
    c. If a passing agreement is reached by radiotelephone whistle signals are still required.
    d. None of the above
259: BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.

    a. at all times
    b. only if manned
    c. only if towed astern
    d. Need not be lighted
260: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.

    a. search and rescue
    b. restricted in ability to maneuver
    c. not under command
    d. river bank protection
261: INLAND ONLY While underway and in sight of another vessel forward of your beam more than 0.5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?

    a. You must sound three short blasts on the whistle.
    b. You must sound one blast if backing to starboard.
    c. You must sound whistle signals only if the vessels are meeting.
    d. You need not sound any whistle signals.
262: INLAND ONLY When power-driven vessels are in sight of one another, passing signals shall be sounded when __________.

    a. meeting or crossing within half a mile of each other
    b. meeting within one mile of each other
    c. meeting or crossing at any distance
    d. crossing within one mile of each other
263: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )

    a. Hold course and speed without giving a signal.
    b. Change course or speed to avoid vessel "II".
    c. Sound one short blast, and await a response.
    d. Sound two short blasts, and await a response.
264: INTERNATIONAL ONLY Two power-driven vessels are meeting in the situation as shown. One short blast from either vessel means __________. (DIAGRAM 37 )

    a. "I am altering my course to starboard."
    b. "I intend to leave you on my port side."
    c. "I intend to hold course and speed."
    d. "I am altering my course to port."
265: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing. The vessels will pass within 1/2 mile of each other. Which action should you take? (DIAGRAM 36 )

    a. Hold course and speed without giving a signal.
    b. Sound the danger signal and slow to moderate speed.
    c. Sound one short blast, turn to starboard.
    d. Sound one short blast and hold course and speed.
266: INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown. Vessel "A" is downbound with a following current. Vessel "B" shall __________. (DIAGRAM 37 )

    a. propose the manner of passage
    b. have the right of way
    c. initiate the maneuvering signals
    d. None of the above
267: INTERNATIONAL ONLY Two power-driven vessels are meeting in the situation as shown. Two short blasts from either vessel means __________. (DIAGRAM 37 )

    a. "I am altering my course to starboard."
    b. "I intend to leave you on my port side."
    c. "I am altering my course to port."
    d. "I am operating astern propulsion."
268: INLAND ONLY Two power-driven vessels are meeting in the situation as shown and will pass within 1/2 mile of each other. Two short blasts from either vessel means __________. (DIAGRAM 37 )

    a. "I intend to leave you on my starboard side."
    b. "I intend to leave you on my port side."
    c. "I am altering my course to port."
    d. "I am altering my course to starboard."
269: INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown. Vessel "A" is downbound with a following current. Vessel "A" shall __________. (DIAGRAM 37 )

    a. propose the manner of passage
    b. have the right of way
    c. initiate the maneuvering signals
    d. All of the above
270: INLAND ONLY Two power-driven vessels are meeting in a narrow channel as shown. Which statement is TRUE? (DIAGRAM 37 )

    a. Whistle signals must be exchanged in all situations when passing within one half mile of each other.
    b. If agreement is reached by radiotelephone whistle signals are optional.
    c. If agreement is reached by radiotelephone whistle signals must still be exchanged.
    d. None of the above
272: BOTH INTERNATIONAL & INLAND Two vessels are meeting as shown in a narrow channel. Vessel "A" is a sailing vessel. Vessel "B" is a power-driven vessel which can safely navigate only within the channel. Vessel "B" sounds the danger signal. Vessel "A" shall __________. (DIAGRAM 37 )

    a. maintain course and speed
    b. not impede the passage of vessel "B"
    c. sound one prolonged followed by two short blasts
    d. have the right of way
273: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )

    a. wait until the vessel ahead crosses your bow
    b. stop until the red lights turn green
    c. proceed leaving all the lights on your starboard side
    d. pass between the two sets of vertical red lights
274: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )

    a. wait until the vessel ahead crosses your bow
    b. stop until the red lights turn green
    c. pass between the two sets of vertical red lights
    d. proceed leaving all the lights on your starboard side
275: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )

    a. wait until the vessel ahead crosses your bow
    b. pass between the two sets of vertical red lights
    c. stop until the red lights turn green
    d. proceed leaving all the lights on your starboard side
276: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )

    a. pass between the two sets of vertical red lights
    b. wait until the vessel ahead crosses your bow
    c. stop until the red lights turn green
    d. proceed leaving all the lights on your starboard side
277: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )

    a. visible at night and during periods of restricted visibility
    b. visible for at least one mile
    c. more than 50 meters apart
    d. flashing at intervals of 120 flashes per minute
278: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )

    a. visible for at least one mile
    b. more than 50 meters apart
    c. visible at night and during periods of restricted visibility
    d. flashing at intervals of 120 flashes per minute
279: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )

    a. visible for at least one mile
    b. visible at night and during periods of restricted visibility
    c. more than 50 meters apart
    d. flashing at intervals of 120 flashes per minute
280: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )

    a. visible for at least one mile
    b. flashing at intervals of 120 flashes per minute
    c. more than 50 meters apart
    d. visible at night and during periods of restricted visibility
282: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )

    a. vessel not under command
    b. dredge pipeline
    c. vessel aground
    d. vessel engaged in fishing
283: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )

    a. seaplane
    b. minesweeper
    c. dredge pipeline
    d. vessel not under command
284: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )

    a. vessel aground
    b. mine clearance vessel
    c. vessel not under command
    d. dredge pipeline
287: BOTH INTERNATIONAL & INLAND The lead vessel shown is a __________. (DIAGRAM 24 )

    a. dredge
    b. sailing vessel
    c. power-driven vessel pushing ahead
    d. None of the above
288: BOTH INTERNATIONAL & INLAND The tow shown is less than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel(s)? (DIAGRAM 24 )

    a. ball-diamond-ball on the towing vessel
    b. diamond on the towing vessel
    c. diamond on the last barge
    d. All of the above
289: BOTH INTERNATIONAL & INLAND The tow shown is less than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel? (DIAGRAM 24 )

    a. ball-diamond-ball on the towing vessel
    b. diamond on the towing vessel
    c. diamond on the last barge
    d. None of the above
290: BOTH INTERNATIONAL & INLAND The tow shown is greater than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel(s)? (DIAGRAM 24 )

    a. ball-diamond-ball on the towing vessel
    b. diamond on the towing vessel
    c. diamond on the barges
    d. All of the above
292: BOTH INTERNATIONAL & INLAND The tug shown is greater than 50 meters and severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )

    a. Two white masthead lights, red-white-red all round lights, sidelights, stern light and a towing light
    b. Three white masthead lights, red-white-red all round lights, sidelights and two towing lights
    c. Three white masthead lights, two all round red lights, sidelights, stern light and a towing light
    d. None of the above
293: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )

    a. tug and a barge being towed astern
    b. sailing vessel
    c. a vessel not under command
    d. a submarine on the surface
294: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )

    a. a submarine on the surface
    b. sailing vessel
    c. a vessel not under command
    d. None of the above
295: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )

    a. submarine on the surface
    b. tug and a barge being towed astern
    c. vessel restricted in her ability to maneuver
    d. vessel not under command
296: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )

    a. submarine on the surface
    b. vessel constrained by her draft
    c. tug and a barge being towed astern
    d. vessel not under command
297: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )

    a. tug and a barge being towed astern
    b. vessel constrained by her draft
    c. vessel in the nondisplacement mode
    d. vessel not under command
298: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )

    a. vessel constrained by her draft
    b. law enforcement vessel
    c. vessel not under command
    d. vessel towing astern
299: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )

    a. vessel towing astern
    b. vessel restricted in her ability to maneuver
    c. vessel not under command
    d. vessel aground
300: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )

    a. sailing vessel
    b. vessel towing astern
    c. vessel engaged in fishing
    d. vessel dredging
301: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a vessel __________. (DIAGRAM 79 )

    a. engaged in submarine operations
    b. dredging
    c. engaged in fishing
    d. towing astern
302: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a vessel __________. (DIAGRAM 79 )

    a. engaged in fishing
    b. dredging
    c. engaged in launching or recovery of aircraft
    d. towing astern
311: INLAND ONLY Identify the operation indicated by the lights exhibited as shown. (DIAGRAM 85 )

    a. Aircraft carrier engaged in the launching and recovery of aircraft
    b. A submarine engaged in underway replenishment
    c. A vessel aground assisted by tugs
    d. None of the above
312: INLAND ONLY You see the lights shown while proceeding in a channel. What should you do? (DIAGRAM 85 )

    a. Proceed at full see speed through the two sets of double red lights.
    b. Stop the vessel and await the red lights to change to green.
    c. Slow down and pass between the two sets of double red lights.
    d. None of the above
313: INLAND ONLY You see the lights shown while proceeding in a channel. Where should you pass? (DIAGRAM 85 )

    a. A
    b. B
    c. C
    d. D
314: INLAND ONLY Identify the operation indicated by the lights shown. (DIAGRAM 85 )

    a. An aircraft carrier engaged in the launching and recovery of aircraft
    b. A submarine engaged in underway replenishment at sea
    c. A dredge engaged in dredging operations
    d. A vessel aground assisted by tugs
315: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )

    a. fishing
    b. sailing
    c. a pilot boat
    d. anchored
316: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )

    a. a pilot boat
    b. sailing
    c. fishing
    d. anchored
317: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )

    a. a pilot boat
    b. sailing
    c. anchored
    d. fishing
318: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )

    a. two cones with apexes together
    b. a ball, a diamond and another ball
    c. a cylinder
    d. a diamond
319: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )

    a. a cylinder
    b. two cones with apexes together
    c. a ball, a diamond and another ball
    d. a diamond
320: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )

    a. a cylinder
    b. a ball, a diamond and another ball
    c. two cones with apexes together
    d. a diamond
320: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )

    a. a cylinder
    b. a ball, a diamond and another ball
    c. two cones with apexes together
    d. a diamond
321: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )

    a. a cylinder
    b. a diamond
    c. a ball, a diamond and another ball
    d. two cones with apexes together
322: BOTH INTERNATIONAL & INLAND The vessel whose lights are shown is navigating in a narrow channel. Which statement about this vessel is TRUE? (DIAGRAM 82 )

    a. It shall not impede the passage of any other vessel navigating within the channel or fairway.
    b. It is the stand-on vessel
    c. It may anchor in the channel or fairway
    d. It shows two balls
323: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a red sidelight? (DIAGRAM 23 )

    a. A
    b. B
    c. C
    d. D
324: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a green sidelight? (DIAGRAM 23 )

    a. A
    b. B
    c. C
    d. D
325: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. white masthead light
    b. red sidelight
    c. green sidelight
    d. stern light
326: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. white masthead light
    b. red sidelight
    c. green sidelight
    d. stern light
327: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. white masthead light
    b. green sidelight
    c. red sidelight
    d. stern light
328: BOTH INTERNATIONAL & INLAND Diagram "D" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. white masthead light
    b. green sidelight
    c. stern light
    d. None of the above
329: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. white masthead light
    b. red sidelight
    c. stern light
    d. None of the above
330: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. white masthead light
    b. green sidelight
    c. red sidelight
    d. stern light
331: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. yellow flashing light
    b. green sidelight
    c. masthead light
    d. None of the above
332: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. red sidelight
    b. green sidelight
    c. masthead light
    d. stern light
333: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. yellow flashing light
    b. red sidelight
    c. green sidelight
    d. stern light
334: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. yellow flashing light
    b. red sidelight
    c. green sidelight
    d. stern light
335: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )

    a. yellow flashing light
    b. red sidelight
    c. green sidelight
    d. None of the above
336: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should __________. (DIAGRAM 42 )

    a. maintain course and speed without sounding any signals
    b. alter course to the right or slowdown
    c. sound one short blast and maintain course and speed
    d. sound the danger signal and slow to moderate speed
337: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by two short blasts
    d. three short blasts
338: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )

    a. one prolonged, one short, one prolonged and one short blasts
    b. one short blast
    c. two prolonged blasts followed by one short blast
    d. two short blasts
339: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )

    a. one prolonged, one short, one prolonged and one short blasts
    b. two short blasts
    c. one short blast
    d. None of the above
340: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )

    a. one prolonged, one short, one prolonged and one short blasts
    b. one prolonged blast
    c. two short blasts
    d. None of the above
341: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to leave you on my port side"
    b. "I intend to overtake you on your port side"
    c. "I am altering my course to starboard"
    d. None of the above
342: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to leave you on my starboard side"
    b. "I am operating astern propulsion port side"
    c. "I am altering my course to starboard"
    d. None of the above
343: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to leave you on my starboard side"
    b. "I intend to leave you on my port side"
    c. "I am altering my course to starboard"
    d. None of the above
345: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to overtake you on my starboard side"
    b. "I am operating astern propulsion"
    c. "I intend to leave you on my port side"
    d. None of the above
346: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to overtake you on my port side"
    b. "I am operating astern propulsion"
    c. "I intend to leave you on my starboard side"
    d. None of the above
347: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should __________. (DIAGRAM 42 )

    a. sound the danger signal and slow to moderate speed
    b. alter course to the right or slowdown
    c. sound one short blast and maintain course and speed
    d. None of the above
348: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should __________. (DIAGRAM 42 )

    a. maintain course and speed
    b. alter course to the right or slowdown
    c. sound one short blast and maintain course and speed
    d. sound the danger signal and slow to moderate speed
348: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should __________. (DIAGRAM 42 )

    a. maintain course and speed
    b. alter course to the right or slowdown
    c. sound one short blast and maintain course and speed
    d. sound the danger signal and slow to moderate speed
349: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )

    a. one prolonged, one short, one prolonged and one short blasts
    b. one short blast
    c. two short blasts
    d. None of the above
350: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )

    a. one prolonged, one short, one prolonged and one short blasts
    b. one prolonged blast
    c. two short blasts
    d. None of the above
351: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I am altering my course to starboard"
    b. "I am operating astern propulsion"
    c. "I am altering my course to port"
    d. None of the above
352: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.

    a. flashing blue light
    b. alternately flashing red and yellow light
    c. flashing yellow light
    d. alternately flashing blue and red light
353: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to overtake you on your starboard side"
    b. "I am operating astern propulsion"
    c. "I intend to leave you on my port side"
    d. None of the above
354: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I intend to leave you on your starboard side"
    b. "I am altering my course to starboard"
    c. "I am altering my course to port"
    d. None of the above
355: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I am altering my course to starboard"
    b. "I intend to leave you on my port side"
    c. "I am altering my course to port"
    d. None of the above
356: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I am intend to leave you on my port side"
    b. "I intend to intend to overtake you on your port side"
    c. "I am altering my course to starboard"
    d. None of the above
357: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I am intend to leave you on my starboard side"
    b. "I intend to intend to overtake you on your port side"
    c. "I am altering my course to port"
    d. None of the above
358: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" is the __________. (DIAGRAM 42 )

    a. burdened vessel
    b. give-way vessel
    c. overtaking vessel
    d. None of the above
359: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. You are on vessel "B" and doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )

    a. maintain course and speed
    b. alter course to the left and increase speed
    c. sound one short blast and maintain course and speed
    d. None of the above
360: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. You are on vessel "B" and doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )

    a. maintain course and speed
    b. alter course to the right or slow down
    c. sound one short blast and maintain course and speed
    d. sound at least five short and rapid blasts
361: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds two short blasts on the whistle. You are on vessel "B" and are in doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )

    a. maintain course and speed
    b. alter course to the left and increase speed
    c. sound five or more short and rapid blasts
    d. None of the above
362: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds two short blasts on the whistle. You are on vessel "B" and are in doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )

    a. maintain course and speed
    b. alter course to the right or slow down
    c. sound one short blast and maintain course and speed
    d. sound five or more short and rapid blasts
363: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )

    a. burdened vessel
    b. give-way vessel
    c. overtaking vessel
    d. None of the above
364: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )

    a. burdened vessel
    b. give-way vessel
    c. stand-on vessel
    d. overtaking vessel
365: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )

    a. stand-on vessel
    b. give-way vessel
    c. overtaking vessel
    d. None of the above
366: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )

    a. give-way vessel
    b. stand-on vessel
    c. overtaking vessel
    d. burdened vessel
367: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is __________. (DIAGRAM 42 )

    a. give-way vessel
    b. stand-on vessel
    c. overtaking vessel
    d. None of the above
368: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )

    a. stand-on vessel
    b. give-way vessel
    c. overtaking vessel
    d. None of the above
369: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )

    a. stand-on vessel
    b. overtaking vessel
    c. give-way vessel
    d. None of the above
370: INLAND ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, lights in addition to the towing identification lights must be shown. These additional lights shall be shown if the tow is __________.

    a. pushed ahead
    b. towed alongside
    c. towed astern
    d. All of the above
371: INTERNATIONAL ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, the towing vessel shall show lights in addition to her towing identification lights. These additional lights shall be shown if the tow is __________.

    a. pushed ahead
    b. towed alongside
    c. towed astern
    d. All of the above
372: INLAND ONLY You are on vessel "A" as shown and hear vessel "B" sound a signal indicating his intentions to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________. (DIAGRAM 32 )

    a. sound two short blasts
    b. sound one prolonged followed by three short blasts
    c. not answer the whistle signal from vessel "B"
    d. None of the above
374: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )

    a. Whistle signals must be exchanged in all situations when passing within one half mile.
    b. The vessels should exchange two blast whistle signals and pass port to port.
    c. If a passing agreement is reached by radiotelephone whistle signals are optional.
    d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course.
375: BOTH INTERNATIONAL & INLAND The tow shown is made up of inconspicuous, partly submerged vessels and is 150 meters in length. The towed vessels are less than 25 meters in breadth and less than 100 meters in length. Which lights would be displayed from the towed vessels? (DIAGRAM 24 )

    a. Sidelights and stern light on each vessel towed
    b. One all round white light at the after end of each vessel towed
    c. One all round white light at or near each end of each vessel towed
    d. One all round white light at each end and one all round white light at the extremities of its breadth of each vessel towed
376: BOTH INTERNATIONAL & INLAND Which vessel must show forward and after masthead lights when making way?

    a. A 75-meter vessel restricted in her ability to maneuver
    b. A 100-meter sailing vessel
    c. A 150-meter vessel engaged in fishing
    d. A 45-meter vessel engaged in towing
377: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )

    a. NW
    b. SE
    c. SW
    d. NW
378: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )

    a. "I am altering my course to starboard"
    b. "I intend to leave you on my port side"
    c. "I intend to overtake you on your port side"
    d. "I am operating astern propulsion"
379: BOTH INTERNATIONAL & INLAND A seagoing tug has a tow greater than 200 meters as shown and is severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )

    a. Three white masthead lights, red-white-red all-round lights, sidelights, stern light and a towing light
    b. Three white masthead lights, red-white-red all-round lights, sidelights and two towing lights
    c. Three white masthead lights, two all-round red lights, sidelights, stern light and a towing light
    d. None of the above
380: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )

    a. dredge pipeline
    b. mine clearance vessel
    c. vessel aground
    d. vessel not under command
383: INLAND ONLY You are meeting "head on" a tug towing a barge alongside about a mile away. In addition to the white masthead lights which other lights do you see on the tug and tow combined?

    a. One green and one red sidelight on the outside of the unit
    b. One green and one red sidelight and a special flashing light
    c. Only the green and red sidelights marking each vessel
    d. The green and red sidelights marking each vessel and a special flashing light
384: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a __________. (DIAGRAM 78 )

    a. vessel restricted in her ability to maneuver
    b. fishing vessel underway
    c. pilot vessel underway
    d. vessel not under command
385: INLAND ONLY Which statement is TRUE concerning the fog signal of a canal boat 25 meters in length, anchored in a "special anchorage area" approved by the Secretary?

    a. The vessel is not required to sound a fog signal.
    b. The vessel shall ring a bell for 5 seconds every minute.
    c. The vessel shall sound one blast of the whistle every 2 minutes.
    d. The vessel shall sound three blasts on the whistle every 2 minutes.
386: INLAND ONLY Which statement is TRUE concerning the fog signal of a barge 35 meters in length, anchored in a "special anchorage area" approved by the Secretary?

    a. The vessel shall ring a bell for 5 seconds every minute.
    b. The vessel is not required to sound a fog signal.
    c. The vessel shall sound one blast of the whistle every 2 minutes.
    d. The vessel shall sound three blasts on the whistle every 2 minutes.
388: BOTH INTERNATIONAL & INLAND Lighting requirements in inland waters are different from those in international waters for __________.

    a. barges being pushed ahead
    b. vessels being towed alongside
    c. vessels pushing ahead
    d. All of the above
389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )

    a. not under command
    b. engaged in fishing
    c. under oars
    d. towing
390: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )

    a. not under command
    b. under oars
    c. engaged in fishing
    d. towing
391: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )

    a. under oars
    b. on pilotage duty
    c. engaged in fishing
    d. towing
392: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    a. law enforcement vessel
    b. vessel on pilotage duty
    c. vessel engaged in fishing
    d. sailing vessel
393: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    a. sailing vessel
    b. vessel on pilotage duty
    c. vessel engaged in fishing
    d. power-driven vessel
394: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    a. law enforcement vessel
    b. vessel on pilotage duty
    c. sailing vessel
    d. power-driven vessel
395: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    a. law enforcement vessel
    b. sailing vessel
    c. vessel engaged in trawling
    d. power-driven vessel
396: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    a. vessel aground
    b. submarine on the surface
    c. vessel engaged in trawling
    d. vessel under oars
397: INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?

    a. At least five short and rapid blasts
    b. Four short blasts
    c. One prolonged, one short, one prolonged, and one short blast, in that order
    d. Two short blasts
399: BOTH INTERNATIONAL & INLAND The lead vessel shown is a __________. (DIAGRAM 24 )

    a. mineclearance vessel
    b. survey vessel
    c. power-driven vessel towing astern
    d. None of the above
401: INLAND ONLY Two power-driven vessels are meeting in the situation as shown in a narrow channel on the Great Lakes. Vessel "A" is downbound with a following current. Vessel "B" should __________. (DIAGRAM 37 )

    a. take action to permit safe passage
    b. have the right of way
    c. initiate the maneuvering signals
    d. None of the above
402: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.

    a. sailboat making way
    b. power-driven vessel making way, towing
    c. power-driven vessel making way
    d. vessel being towed
727: INLAND ONLY Maneuvering signals shall be sounded on inland waters by __________.

    a. all vessels when meeting, crossing, or overtaking and in sight of one another
    b. all vessels meeting or crossing at a distance within half a mile of each other and not in sight of one another
    c. power-driven vessels overtaking and in sight of one another
    d. power-driven vessels crossing at a distance within half a mile of each other and NOT in sight of one another
728: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.

    a. river bank protection
    b. conducting submarine operations
    c. firefighting
    d. law enforcement
821: INLAND ONLY One and two short blast signals must be sounded on inland waters when __________.

    a. two sailing vessels are in sight of one another and meeting at a distance of one quarter mile
    b. two power-driven vessels are in sight of one another and will cross at a distance of one mile
    c. two power-driven vessels are crossing within half a mile of each other and NOT in sight of each other
    d. Two power-driven vessel are in sight of one another and are meeting at a distance of one half mile
1000: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

    a. begin a radar plot
    b. stop your engines
    c. take all way off, if necessary
    d. All of the above
3683: BOTH INTERNATIONAL & INLAND The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that __________.

    a. risk of collision exists
    b. the other vessel will cross ahead of her
    c. the other vessel is not taking appropriate action
    d. collision cannot be avoided by the give-way vessel's maneuver alone
4000: BOTH INTERNATIONAL & INLAND Your vessel is 75 meters in length and restricted in her ability to maneuver. Visibility is restricted. What signal do you sound if you are carrying out your work at anchor?

    a. Five seconds ringing of a bell at intervals of not more than one minute
    b. One prolonged blast followed by two short blasts on the whistle at intervals of not more than two minutes
    c. Five seconds ringing of a bell and five second sounding of a gong at intervals of not more than one minute
    d. Four short blasts on the whistle at intervals of not more than two minutes
4001: BOTH INTERNATIONAL & INLAND The maximum length of a power-driven vessel which may show an all-round white light and sidelights instead of a masthead light, sidelights and a stern light is __________.

    a. 6.9 meters
    b. 9.9 meters
    c. 11.9 meters
    d. 19.9 meters
4002: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.

    a. sailboat underway
    b. vessel underway, towing
    c. power-driven vessel underway, making way
    d. vessel being towed
4003: BOTH INTERNATIONAL & INLAND What is used to show the presence of a partly submerged object being towed?

    a. A diamond shape on the towed object
    b. An all-round light at each end of the towed object
    c. A searchlight from the towing vessel in the direction of the tow
    d. All of the above
4004: BOTH INTERNATIONAL & INLAND At night, a barge being towed astern must display __________.

    a. red and green sidelights only
    b. a white stern light only
    c. sidelights and a stern light
    d. one all-round white light
4005: BOTH INTERNATIONAL & INLAND Which signal is recognized as a distress signal?

    a. Directing the beam of a searchlight at another vessel
    b. A smoke signal giving off orange colored smoke
    c. A whistle signal of one prolonged and three short blasts
    d. International Code Signal "PAN" spoken over the radiotelephone
4006: BOTH INTERNATIONAL & INLAND Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should __________.

    a. back your engines
    b. stop your engines and drift
    c. answer with one prolonged blast
    d. sound the danger signal
4007: BOTH INTERNATIONAL & INLAND If you do NOT understand the course or intention of an approaching vessel you should sound __________.

    a. one short blast
    b. one prolonged blast
    c. not less than five short blasts
    d. not less than five prolonged blasts
4008: BOTH INTERNATIONAL & INLAND If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?

    a. At any time you feel it is appropriate
    b. Only when you have reached extremis
    c. When you determine that your present course will cross ahead of the other vessel
    d. When it becomes apparent to you that the give-way vessel is not taking appropriate action
4009: BOTH INTERNATIONAL & INLAND Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation?

    a. You should maintain course and speed.
    b. The container vessel is the stand-on as it is the larger vessel.
    c. You are not to impede the safe passage of the container vessel in the channel.
    d. None of the above
4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.

    a. vessel not under command
    b. sailing vessel
    c. vessel being towed (manned)
    d. vessel being towed (unmanned)
4011: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty at night will show sidelights and a stern light __________.

    a. when at anchor
    b. only when making way
    c. at any time when underway
    d. only when the identifying lights are not being shown
4012: BOTH INTERNATIONAL & INLAND A vessel which displays the day signal shown may be engaged in __________. (DIAGRAM 6 )

    a. submarine cable laying
    b. pilotage duty
    c. fishing
    d. mineclearance
4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )

    a. towing
    b. conducting underwater operations
    c. drifting
    d. aground
4014: BOTH INTERNATIONAL & INLAND A power-driven vessel underway in fog making NO way must sound what signal?

    a. One long blast
    b. Two prolonged blasts
    c. One prolonged blast
    d. One prolonged and two short blasts
4015: BOTH INTERNATIONAL & INLAND A 95-meter vessel aground sounds which fog signal?

    a. A rapid ringing of a bell for 5 seconds every two minutes
    b. A whistle signal of one short, one prolonged, and one short blast
    c. A prolonged blast of the whistle at intervals not to exceed one minute
    d. A rapid ringing of a bell for 5 seconds, preceded and followed by three separate and distinct strokes on the bell
4016: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?

    a. She must use this equipment to obtain early warning of risk of collision.
    b. The radar equipment is only required to be used in restricted visibility.
    c. The use of a radar excuses a vessel from the need of a look-out.
    d. The safe speed of such a vessel will likely be greater than that of vessels without radar.
4017: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?

    a. A bell signal
    b. A gong signal
    c. A whistle signal
    d. All of the above
4018: BOTH INTERNATIONAL & INLAND Which is a distress signal?

    a. A triangular flag above or below a ball
    b. The International Code Signal of distress indicated by "JV"
    c. A green smoke signal
    d. Flames on the vessel as from a burning tar barrel
4020: BOTH INTERNATIONAL & INLAND A vessel must proceed at a safe speed __________.

    a. in restricted visibility
    b. in congested waters
    c. during darkness
    d. at all times
4021: BOTH INTERNATIONAL & INLAND A light signal of three flashes means __________.

    a. "I am in doubt as to your actions"
    b. "My engines are full speed astern"
    c. "I desire to overtake you"
    d. "I am operating astern propulsion"
4022: BOTH INTERNATIONAL & INLAND A sailing vessel underway may exhibit __________.

    a. a red light over a green light at the masthead
    b. a green light over a red light at the masthead
    c. two white lights in a vertical line at the stern
    d. an all-round white light at the bow
4023: BOTH INTERNATIONAL & INLAND A sailing vessel is overtaking a tug and tow as shown. Which statement is CORRECT? (DIAGRAM 43 )

    a. The sailing vessel is the stand-on vessel because it is overtaking.
    b. The sailing vessel is the stand-on vessel because it is under sail.
    c. The tug is the stand-on vessel because it is being overtaken.
    d. The tug is the stand-on vessel because it is towing.
4024: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.

    a. sailing ships
    b. nondisplacement craft
    c. seaplanes
    d. All of the above
4025: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in fog. She should sound __________.

    a. three short blasts
    b. one prolonged blast
    c. one prolonged and two short blasts
    d. two prolonged blasts
4026: BOTH INTERNATIONAL & INLAND Which is a distress signal?

    a. Firing of green star shells
    b. Sounding 5 short blasts on the whistle
    c. Answering a one blast whistle signal with two blasts
    d. A flaming barrel of oil on deck
4028: BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?

    a. The one with the wind closest abeam
    b. The one with the wind closest astern
    c. The one to leeward
    d. The one to windward
4029: INLAND ONLY The masthead light may be located at other than the fore and aft centerline on a power-driven vessel __________.

    a. less than 20 meters in length
    b. less than 12 meters in length
    c. which has separate sidelights carried on the outboard extremes of the vessel's breadth
    d. engaged in fishing
4030: BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a "vessel not under command" as a vessel which __________.

    a. from the nature of her work is unable to keep out of the way of another vessel
    b. through some exceptional circumstance is unable to maneuver as required by the rules
    c. by taking action contrary to the rules has created a special circumstance situation
    d. is moored, aground or anchored in a fairway
4031: BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.

    a. engaged in fishing
    b. not under command
    c. engaged in towing
    d. under sail
4032: BOTH INTERNATIONAL & INLAND Which vessel may combine her sidelights and stern light in one lantern on the fore and aft centerline of the vessel?

    a. A 16-meter sailing vessel
    b. A 25-meter power-driven vessel
    c. A 28-meter sailing vessel
    d. Any non-self-propelled vessel
4033: BOTH INTERNATIONAL & INLAND The duration of a prolonged blast of the whistle is __________.

    a. 2 to 4 seconds
    b. 4 to 6 seconds
    c. 6 to 8 seconds
    d. 8 to 10 seconds
4034: BOTH INTERNATIONAL & INLAND A vessel "restricted in her ability to maneuver" is one which __________.

    a. from the nature of her work is unable to maneuver as required by the rules
    b. through some exceptional circumstance is unable to maneuver as required by the rules
    c. due to adverse weather conditions is unable to maneuver as required by the rules
    d. has lost steering and is unable to maneuver
4035: BOTH INTERNATIONAL & INLAND When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT __________.

    a. one prolonged blast
    b. two prolonged blasts
    c. one prolonged and two short blasts
    d. ringing of a bell for five seconds
4036: BOTH INTERNATIONAL & INLAND You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.

    a. not cross the channel if you might impede the other vessel
    b. initiate an exchange of passing signals
    c. sound the danger signal
    d. hold your course and speed
4038: BOTH INTERNATIONAL & INLAND A bell is used to sound a fog signal for a __________.

    a. power-driven vessel underway
    b. sailing vessel at anchor
    c. vessel engaged in fishing
    d. vessel not under command
4039: BOTH INTERNATIONAL & INLAND You see another vessel approaching, and its compass bearing does not significantly change. This would indicate that __________.

    a. you are the stand-on vessel
    b. risk of collision exists
    c. a special circumstances situation exists
    d. the other vessel is dead in the water
4040: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown indicates a vessel with a tow exceeding 200 meters in length? (DIAGRAM 16 )

    a. A
    b. B
    c. C
    d. D
4042: BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of __________.

    a. a vessel pushing ahead
    b. a power-driven vessel, not towing
    c. a barge being pushed ahead
    d. either answer A or answer B
4043: BOTH INTERNATIONAL & INLAND You are the watch officer on a power-driven vessel and notice a large sailing vessel approaching from astern. You should __________.

    a. slow down
    b. sound one short blast and change course to starboard
    c. sound two short blasts and change course to port
    d. hold your course and speed
4044: BOTH INTERNATIONAL & INLAND You see a vessel's green sidelight bearing due east from you. The vessel might be heading __________.

    a. east (090°)
    b. northeast (045°)
    c. northwest (315°)
    d. southwest (225°)
4045: BOTH INTERNATIONAL & INLAND A vessel shall be deemed to be overtaking when she can see at night __________.

    a. only the stern light of the vessel
    b. a sidelight and one masthead light of the vessel
    c. only a sidelight of the vessel
    d. any lights except the masthead lights of the vessel
4046: BOTH INTERNATIONAL & INLAND You are underway on vessel "A" and sight vessel "B" which is a vessel underway and fishing as shown. Which statement is true? (DIAGRAM 14 )

    a. Vessel "A" must keep out of the way of vessel "B" because "B" is to port.
    b. Vessel "A" must keep out of the way of vessel "B" because "B" is fishing.
    c. Vessel "B" must keep out of the way of vessel "A" because "A" is to starboard.
    d. In this case, both vessels are required by the Rules to keep clear of each other.
4047: BOTH INTERNATIONAL & INLAND A vessel trawling will display a __________.

    a. red light over a white light
    b. green light over a white light
    c. yellow light over a red light
    d. white light over a green light
4048: BOTH INTERNATIONAL & INLAND If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, __________.

    a. decrease speed
    b. increase speed
    c. turn to port for a vessel on her own port side
    d. turn to starboard for a vessel on her own port side
4049: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?

    a. The other vessel must give way since your vessel is stopped.
    b. Your vessel is the give-way vessel in a crossing situation.
    c. You should be showing the lights or shapes for a vessel not under command.
    d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver.
4050: BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a __________.

    a. black diamond
    b. black cone
    c. black ball
    d. basket
4051: BOTH INTERNATIONAL & INLAND The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights __________.

    a. shall be displayed in restricted visibility during daylight hours
    b. need not be displayed when no other vessels are in the area
    c. shall be set at low power when used during daylight hours
    d. need not be displayed by unmanned vessels
4052: BOTH INTERNATIONAL & INLAND The lights displayed would be shown by a vessel which is __________. (DIAGRAM 44 )

    a. aground
    b. not under command and is dead in the water
    c. not under command and is making way
    d. laying or picking up navigation marks
4052: BOTH INTERNATIONAL & INLAND The lights displayed would be shown by a vessel which is __________. (DIAGRAM 44 )

    a. aground
    b. not under command and is dead in the water
    c. not under command and is making way
    d. laying or picking up navigation marks
4053: BOTH INTERNATIONAL & INLAND Two vessels meeting in a "head-on" situation are directed by the Rules to __________.

    a. alter course to starboard and pass port to port
    b. alter course to port and pass starboard to starboard
    c. decide on which side the passage will occur by matching whistle signals
    d. slow to bare steerageway
4054: BOTH INTERNATIONAL & INLAND A vessel is "engaged in fishing" when __________.

    a. her gear extends more than 100 meters from the vessel
    b. she is using any type of gear, other than lines
    c. she is using fishing apparatus which restricts her maneuverability
    d. she has any fishing gear on board
4055: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel change course and speed?

    a. The stand-on vessel may change course and speed at any time as it has the right-of-way
    b. After the give-way vessel sounds one blast in a crossing situation
    c. When action by the give-way vessel alone cannot prevent collision
    d. When the two vessels become less than half a mile apart
4056: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in restricted visibility. She should sound __________.

    a. three short blasts
    b. one prolonged blast
    c. one prolonged and two short blasts
    d. two prolonged blasts
4057: BOTH INTERNATIONAL & INLAND You see a vessel displaying the code flag "LIMA" below which is a red ball. The vessel is __________.

    a. trolling
    b. getting ready to receive aircraft
    c. aground
    d. in distress
4058: BOTH INTERNATIONAL & INLAND Which factor is listed in the Rules as one which must be taken into account when determining safe speed?

    a. The construction of the vessel
    b. The maneuverability of the vessel
    c. The experience of vessel personnel
    d. All of the above must be taken into account.
4059: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

    a. A seaplane must show appropriate lights but need not exhibit shapes.
    b. A seaplane should exhibit the lights for a vessel constrained by her draft.
    c. In situations where a risk of collision exists, a seaplane should always give way.
    d. A seaplane on the water shall, in general, keep well clear of all vessels.
4060: BOTH INTERNATIONAL & INLAND A vessel approaching your vessel from 235° relative is in what type of situation?

    a. Meeting
    b. Overtaking
    c. Crossing
    d. Passing
4061: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing as shown. Which statement is TRUE? (DIAGRAM 26 )

    a. The vessels should pass starboard to starboard.
    b. Vessel "B" should pass under the stern of vessel "A".
    c. Vessel "B" should alter course to the right.
    d. Vessel "A" must keep clear of vessel "B".
4062: BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel navigating at night. You sight the red sidelight of another vessel on your port bow. The other vessel's after masthead light is to the right of her forward masthead light. You should __________.

    a. hold course and speed
    b. alter course to port
    c. stop engines
    d. sound the danger signal
4063: BOTH INTERNATIONAL & INLAND There are two classes of vessels which, to the extent necessary to carry out their work, do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel __________.

    a. engaged in fishing in a traffic lane
    b. servicing a submarine cable
    c. towing another
    d. engaged on pilotage duty
4065: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.

    a. aground
    b. more than 100 meters in length, at anchor
    c. fishing while making no way through the water
    d. fishing in company with another vessel
4066: BOTH INTERNATIONAL & INLAND The wind is ESE, and a sailing vessel is steering NW. Which fog signal should she sound?

    a. One blast at one-minute intervals
    b. One blast at two-minute intervals
    c. Two blasts at one-minute intervals
    d. One prolonged and two short blasts at two-minute intervals
4067: BOTH INTERNATIONAL & INLAND At night, which lights are required to be shown by a dredge on the side of the dredge which another vessel may pass?

    a. One red light
    b. Two red lights
    c. One white light
    d. Two green lights
4067: BOTH INTERNATIONAL & INLAND At night, which lights are required to be shown by a dredge on the side of the dredge which another vessel may pass?

    a. One red light
    b. Two red lights
    c. One white light
    d. Two green lights
4068: BOTH INTERNATIONAL & INLAND In the situation illustrated, vessel I is a power-driven vessel. Vessel II is a sailing vessel with the wind dead aft. Which statement about this situation is correct? (DIAGRAM 2 )

    a. Vessel I should keep out of the way of Vessel II.
    b. Vessel II should keep out of the way of Vessel I.
    c. Vessel II would normally be the stand-on vessel, but should stay out of the way in this particular situation.
    d. The Rules of Special Circumstances applies, and neither vessel is the stand-on vessel.
4068: BOTH INTERNATIONAL & INLAND In the situation illustrated, vessel I is a power-driven vessel. Vessel II is a sailing vessel with the wind dead aft. Which statement about this situation is correct? (DIAGRAM 2 )

    a. Vessel I should keep out of the way of Vessel II.
    b. Vessel II should keep out of the way of Vessel I.
    c. Vessel II would normally be the stand-on vessel, but should stay out of the way in this particular situation.
    d. The Rules of Special Circumstances applies, and neither vessel is the stand-on vessel.
4069: BOTH INTERNATIONAL & INLAND Which lights are shown by a vessel restricted in her ability to maneuver to indicate that the vessel is making way?

    a. Masthead lights, sidelights and stern light
    b. Masthead lights and sidelights only
    c. Sidelights and stern light only
    d. Sidelights only
4070: BOTH INTERNATIONAL & INLAND You are underway and hear a vessel continuously sounding her fog whistle. This indicates the other vessel __________.

    a. desires to communicate by radio
    b. desires a pilot
    c. is in distress
    d. is aground
4072: BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and __________.

    a. one masthead light and a stern light
    b. two masthead lights and a stern light
    c. three masthead lights and a stern light
    d. a stern light ONLY
4073: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.

    a. towing
    b. manned being towed
    c. unmanned being towed
    d. at anchor
4074: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel of 75 meters in length, at anchor?

    a. She must show an all-round white light forward.
    b. She must show a second all-round white light aft.
    c. She may use her working lights to illuminate her decks.
    d. All of the above
4075: BOTH INTERNATIONAL & INLAND You are approaching another vessel. She is about one mile distant and is on your starboard bow. You believe she will cross ahead of you. She then sounds a whistle signal of five short blasts. You should __________.

    a. answer the signal and hold course and speed
    b. reduce speed slightly to make sure she will have room to pass
    c. make a large course change, and slow down if necessary
    d. wait for another whistle signal from the other vessel
4076: BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT show the lights specified for a sailing vessel underway, it shall show a __________.

    a. white light from sunset to sunrise
    b. combined lantern showing green to starboard and red to port and shown from sunset to sunrise
    c. combined lantern showing green to starboard and red to port and shown in sufficient time to prevent collision
    d. white light shown in sufficient time to prevent collision
4077: BOTH INTERNATIONAL & INLAND A vessel at anchor shall display, between sunrise and sunset, on the forward part of the vessel where it can best be seen __________.

    a. one black ball
    b. two black balls
    c. one red ball
    d. two orange and white balls
4078: BOTH INTERNATIONAL & INLAND You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should __________.

    a. stop your vessel
    b. change course to the left
    c. change course to the right
    d. hold your course and speed
4080: BOTH INTERNATIONAL & INLAND You are underway, in fog, when you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could indicate a vessel __________.

    a. not under command
    b. being towed
    c. aground
    d. All of the above
4081: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" , a power-driven vessel, on open waters and vessel "B", a sailing vessel, is sighted off your port bow as shown. Which vessel is the stand-on vessel? (DIAGRAM 27 )

    a. Vessel "A" because it is towing
    b. Vessel "A" because it is to starboard of vessel "B"
    c. Vessel "B" because it is sailing
    d. Vessel "B" because it is to port of vessel "A"
4082: BOTH INTERNATIONAL & INLAND Which vessel must exhibit three white masthead lights in a vertical line?

    a. Any vessel towing astern
    b. A vessel whose tow exceeds 200 meters astern
    c. A vessel not under command, at anchor
    d. A vessel being towed
4083: BOTH INTERNATIONAL & INLAND All of the following are distress signals EXCEPT __________.

    a. the continuous sounding of any fog signal apparatus
    b. giving five or more short and rapid blasts of the whistle
    c. firing a gun at intervals of about a minute
    d. a barrel with burning oil in it, on deck
4084: BOTH INTERNATIONAL & INLAND If you are approaching a bend, and hear a whistle signal of one prolonged blast from around the bend, you should answer with a signal of __________.

    a. a short blast
    b. a prolonged blast
    c. one short, one prolonged, and one short blast
    d. a long blast
4084: BOTH INTERNATIONAL & INLAND If you are approaching a bend, and hear a whistle signal of one prolonged blast from around the bend, you should answer with a signal of __________.

    a. a short blast
    b. a prolonged blast
    c. one short, one prolonged, and one short blast
    d. a long blast
4086: BOTH INTERNATIONAL & INLAND You are on vessel "A" and approaching vessel "B" as shown. You are not sure whether your vessel is crossing or overtaking vessel "B". You should __________. (DIAGRAM 15 )

    a. change course to make the situation definitely either crossing or overtaking
    b. consider it to be a crossing situation
    c. consider it to be an overtaking situation
    d. consider it a crossing situation if you can cross ahead safely
4087: BOTH INTERNATIONAL & INLAND A "flashing light", by the definition given in the rules, is a light that __________.

    a. is red in color
    b. is visible over an arc of the horizon of 360°
    c. flashes at regular intervals at a frequency of 120 flashes or more per minute
    d. All of the above
4088: BOTH INTERNATIONAL & INLAND The term "restricted visibility" as used in the Rules refers __________.

    a. only to fog
    b. only to visibility of less than one-half of a mile
    c. to visibility where you cannot see shore
    d. to any condition where visibility is restricted
4089: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearing shows special identity lights __________.

    a. in addition to the lights required for a power-driven vessel
    b. which mean that other vessels should not approach within 1000 meters of the mineclearing vessel
    c. which are green and show all-round
    d. All of the above
4090: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.

    a. no vessels are in sight visually
    b. no vessels are visible on radar
    c. you are in immediate danger
    d. out of sight of land
4091: BOTH INTERNATIONAL & INLAND An authorized light to assist in the identification of submarines operating on the surface is a(n) __________.

    a. blue rotating light
    b. intermittent flashing amber/yellow light
    c. flashing white light
    d. flashing sidelight
4093: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels?

    a. A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of a sailing vessel with the wind forward of the beam on the starboard side.
    b. When both vessels have the wind on the same side, the vessel to leeward shall keep out of the way.
    c. A sail vessel with the wind abaft of the beam must keep out of the way of a vessel sailing into the wind.
    d. None of the above
4094: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" which is towing on open waters when vessel "B", a sailing vessel, is sighted off your port bow as shown. Which vessel is the stand-on? (DIAGRAM 20 )

    a. Vessel "A" is the stand-on vessel because it is towing.
    b. Vessel "A" is the stand-on vessel because it is to starboard of vessel "B".
    c. Vessel "B" is the stand-on vessel because it is sailing.
    d. Vessel "B" is the stand-on vessel because it is to port of vessel "A".
4095: BOTH INTERNATIONAL & INLAND When underway in a channel, you should keep to the __________.

    a. middle of the channel
    b. starboard side of the channel
    c. port side of the channel
    d. side of the channel that has the widest turns
4096: BOTH INTERNATIONAL & INLAND While underway, in fog, you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel __________.

    a. not under command
    b. being towed
    c. on pilotage duty
    d. aground
4097: BOTH INTERNATIONAL & INLAND When navigating in restricted visibility, a power-driven vessel shall __________.

    a. stop her engines when hearing a fog signal forward of her beam, even if risk of collision does not exist
    b. have her engines ready for immediate maneuver
    c. when making way, sound one prolonged blast at intervals of not more than one minute
    d. operate at a speed to be able to stop in the distance of her visibility
4098: BOTH INTERNATIONAL & INLAND You can indicate that your vessel is in distress by __________.

    a. displaying a large red flag
    b. displaying three black balls in a vertical line
    c. sounding four or more short rapid blasts on the whistle
    d. continuously sounding the fog whistle
4099: BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.

    a. two balls in a vertical line
    b. two diamonds in a vertical line
    c. a single black ball
    d. no shape is shown during the day
4100: BOTH INTERNATIONAL & INLAND A 45-meter vessel is pulling a 210-meter tow. She may exhibit __________.

    a. a masthead light forward, and two masthead lights in a vertical line aft
    b. three masthead lights forward and one aft
    c. two masthead lights forward and no after masthead light
    d. three masthead lights aft and none forward
4101: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?

    a. When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal.
    b. Only the stand-on vessel can sound the danger signal.
    c. Distress signals may be used in place of the danger signal.
    d. The danger signal consists of 4 or more short blasts of the whistle.
4102: BOTH INTERNATIONAL & INLAND A distress signal __________.

    a. consists of 5 or more short blasts of the fog signal apparatus
    b. may be used separately or with other distress signals
    c. consists of the raising and lowering of a large white flag
    d. is used to indicate doubt about another vessel's intentions
4103: BOTH INTERNATIONAL & INLAND Which is the danger signal?

    a. A continuous sounding of the fog signal
    b. Firing a gun every minute
    c. Five or more short rapid blasts on the whistle
    d. One prolonged blast on the whistle
4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when __________.

    a. she can be observed by radar
    b. she can be observed visually from the other vessel
    c. she can be plotted on radar well enough to determine her heading
    d. her fog signal can be heard
4105: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?

    a. A sailing vessel overtaking another is the give-way vessel.
    b. When each is on a different tack, the vessel on the starboard tack shall keep out of the way.
    c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course.
    d. All of the above
4106: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel showing two cones with the apexes together?

    a. Sailing vessel
    b. Vessel trawling
    c. Mineclearing
    d. Dredge
4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.

    a. maintain course and speed
    b. keep clear, passing at a safe distance
    c. sound one blast and turn to starboard
    d. stop her engines
4108: BOTH INTERNATIONAL & INLAND At specified intervals, a vessel towing in fog shall sound __________.

    a. one prolonged blast
    b. two prolonged blasts
    c. one prolonged and two short blasts in succession
    d. one prolonged and three short blasts in succession
4109: BOTH INTERNATIONAL & INLAND A vessel towing in fog shall sound a fog signal of __________.

    a. one prolonged blast every one minute
    b. two prolonged blasts every two minutes
    c. one prolonged and two short blasts every two minutes
    d. one prolonged blast every two minutes
4110: BOTH INTERNATIONAL & INLAND Continuous sounding of a fog whistle by a vessel is a signal __________.

    a. that the vessel is anchored
    b. to request the draw span of a bridge to be opened
    c. of distress
    d. that the vessel is broken down and drifting
4111: BOTH INTERNATIONAL & INLAND A 50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?

    a. Two masthead lights forward, a stern light, and a towing light above the stern light
    b. A masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light
    c. No masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light
    d. Three masthead lights forward, one masthead light aft, and two towing lights in a vertical line at the stern
4112: BOTH INTERNATIONAL & INLAND A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________.

    a. during the day, three balls in a vertical line
    b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond
    c. when making way at night, two all-round red lights, sidelights, and a stern light
    d. when making way at night, masthead lights, sidelights, and a stern light
4113: BOTH INTERNATIONAL & INLAND Which signal, other than a distress signal, can be used by a vessel to attract attention?

    a. Searchlight beam
    b. Continuous sounding of a fog signal apparatus
    c. Burning barrel
    d. Orange smoke signal
4114: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?

    a. Use of such a light is required.
    b. The light shall have the same characteristics as a masthead light.
    c. It is only used to supplement short blasts of the whistle.
    d. All of the above
4115: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?

    a. A bell only
    b. A whistle only
    c. A bell and a whistle
    d. Any means of making an efficient sound signal
4116: BOTH INTERNATIONAL & INLAND The towing light is a(n) __________.

    a. flashing amber light
    b. yellow light with the same characteristics as the stern light
    c. all-round yellow light
    d. yellow light with the same characteristics as the masthead light
4116: BOTH INTERNATIONAL & INLAND The towing light is a(n) __________.

    a. flashing amber light
    b. yellow light with the same characteristics as the stern light
    c. all-round yellow light
    d. yellow light with the same characteristics as the masthead light
4117: BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.

    a. vessel not under command
    b. air cushion vessel in the nondisplacement mode
    c. vessel towing a submerged object
    d. vessel engaged in diving operations
4118: BOTH INTERNATIONAL & INLAND When should the fog signal of a manned vessel under tow be sounded?

    a. After the towing vessel's fog signal
    b. Before the towing vessel's fog signal
    c. Approximately one minute after the towing vessel's fog signal
    d. If the towing vessel is sounding a fog signal, the manned vessel being towed is not required to sound any fog signal.
4119: BOTH INTERNATIONAL & INLAND A lantern combining a vessel's navigation lights may be shown on a __________.

    a. 15-meter sailing vessel
    b. 20-meter vessel engaged in fishing and making way
    c. 25-meter power-driven vessel trolling
    d. 25-meter pilot vessel
4120: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing during the day would show __________.

    a. one black ball
    b. two cones with bases together
    c. a cone, apex downward
    d. two cones, apexes together
4121: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT required to keep out of the way of a __________.

    a. power-driven vessel
    b. vessel not under command
    c. vessel restricted in her ability to maneuver
    d. vessel engaged in fishing
4122: BOTH INTERNATIONAL & INLAND Which vessel may sound the danger signal?

    a. The stand-on vessel in a crossing situation
    b. The give-way vessel in a crossing situation
    c. A vessel at anchor
    d. All of the above
4123: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged blast followed by two short blasts on the whistle. What does this signal indicate?

    a. A vessel towing
    b. A vessel engaged in pilotage duty
    c. A vessel being towed
    d. A vessel aground
4124: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and pushing ahead when vessel "B" is sighted off the starboard bow as shown. Which vessel is the stand-on vessel? (DIAGRAM 28 )

    a. Vessel "A" is the stand-on vessel because it is to port.
    b. Vessel "A" is the stand-on vessel because it is pushing ahead.
    c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A".
    d. Neither vessel is the stand-on vessel.
4125: BOTH INTERNATIONAL & INLAND If you saw flames aboard a vessel but could see the vessel was not on fire, you would know that the __________.

    a. crew was trying to get warm
    b. vessel required immediate assistance
    c. vessel was attempting to attract the attention of a pilot boat
    d. vessel was being illuminated for identification by aircraft
4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.

    a. three black balls in a vertical line
    b. two red balls in a vertical line
    c. a black cylinder
    d. a rigid replica of the International Code flag "A"
4127: BOTH INTERNATIONAL & INLAND A vessel will NOT show sidelights when __________.

    a. underway but not making way
    b. making way, not under command
    c. not under command, not making way
    d. trolling underway
4128: BOTH INTERNATIONAL & INLAND Which display indicates a vessel conducting mineclearance operations?

    a. Three balls in a vertical line
    b. Two balls in a vertical line
    c. One ball near the foremast and one ball at each yardarm
    d. One diamond near the foremast and one ball at each yardarm
4129: BOTH INTERNATIONAL & INLAND Which vessel MUST show two masthead lights in a vertical line?

    a. A power-driven vessel less than 50 meters in length with a 20-meter tow
    b. A sailing vessel towing a small vessel astern
    c. A vessel not under command
    d. A vessel engaged in dredging
4130: BOTH INTERNATIONAL & INLAND The duration of each blast of the whistle signals used in meeting and crossing situations is __________.

    a. about 1 second
    b. 2 or 4 seconds
    c. 4 to 6 seconds
    d. 8 to 10 seconds
4131: BOTH INTERNATIONAL & INLAND What day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?

    a. Two balls
    b. Two diamonds
    c. One ball
    d. One diamond
4131: BOTH INTERNATIONAL & INLAND What day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?

    a. Two balls
    b. Two diamonds
    c. One ball
    d. One diamond
4133: BOTH INTERNATIONAL & INLAND Which statement is TRUE when you are towing more than one barge astern at night?

    a. Only the last barge in the tow must be lighted.
    b. Only the first and last barges in the tow must be lighted.
    c. All barges in the tow must be lighted.
    d. All barges, except unmanned barges, must be lighted.
4134: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Which vessel is the stand-on vessel? (DIAGRAM 9 )

    a. Vessel "A"
    b. Vessel "B"
    c. Neither vessel
    d. Both vessels must keep clear of the other.
4135: BOTH INTERNATIONAL & INLAND A vessel is being propelled both by sail and by engines. Under the Rules, the vessel is __________.

    a. a "special circumstance" vessel
    b. not covered under any category
    c. a sail vessel
    d. a power-driven vessel
4136: BOTH INTERNATIONAL & INLAND The white masthead light required for a power-driven vessel under the Rules is visible over how many degrees of the horizon?

    a. 022.5°
    b. 112.5°
    c. 225.0°
    d. 360.0°
4137: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning lights and shapes for towing vessels?

    a. If a tow exceeds 200 meters in length, the towing vessel will display a black ball during daylight.
    b. When towing astern, a vessel will carry her identification lights at the masthead in addition to her regular masthead light.
    c. When towing astern, the towing vessel may show either a stern light or a towing light, but not both.
    d. If the towing vessel is over 50 meters in length, she must carry forward and after masthead lights.
4138: BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.

    a. white lights are not used
    b. red and green lights are not used
    c. the vessel signals such intentions over the radiotelephone
    d. the signal cannot be mistaken for a signal authorized by the Rules
4139: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel displaying two cones with the apexes together?

    a. Sailing
    b. Trawling
    c. Minesweeping
    d. Dredging
4140: BOTH INTERNATIONAL & INLAND The rule regarding look-outs applies __________.

    a. in restricted visibility
    b. between dusk and dawn
    c. in heavy traffic
    d. All of the above
4141: BOTH INTERNATIONAL & INLAND While underway and towing, your vessel enters fog. Which fog signal should you sound?

    a. One prolonged blast
    b. Two prolonged blasts
    c. One prolonged blast and two short blasts
    d. Three distinct blasts
4142: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing must display a light in the direction of any gear that extends outward more than 150 meters. The color of this light is __________.

    a. white
    b. green
    c. red
    d. yellow
4143: BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?

    a. When a towing light is shown, no stern light is necessary.
    b. When a stern light is shown, no towing light is necessary.
    c. The towing light is shown below the stern light.
    d. The towing light is shown above the stern light.
4143: BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?

    a. When a towing light is shown, no stern light is necessary.
    b. When a stern light is shown, no towing light is necessary.
    c. The towing light is shown below the stern light.
    d. The towing light is shown above the stern light.
4144: BOTH INTERNATIONAL & INLAND At night, a vessel which is less than 7 meters in length and anchored in an area where other vessels do not normally navigate is __________.

    a. not required to show any anchor lights
    b. required to show a flare-up light
    c. required to show one white light
    d. required to show sidelights and a stern light
4145: BOTH INTERNATIONAL & INLAND You are in charge of a 120-meter power-driven vessel at anchor in fog, sounding the required anchor signals. You hear the fog signal of a vessel underway off your port bow. You may sound __________.

    a. at least five short and rapid blasts
    b. two short blasts
    c. one short, one prolonged, and one short blast
    d. three short blasts
4146: BOTH INTERNATIONAL & INLAND When taking action to avoid collision, you should __________.

    a. make sure the action is taken in enough time
    b. not make any large course changes
    c. not make any large speed changes
    d. All of the above
4147: BOTH INTERNATIONAL & INLAND Which vessel would have no white lights visible when meeting her head-on?

    a. A vessel trawling
    b. A vessel restricted in her ability to maneuver
    c. A vessel mineclearing
    d. A vessel not under command
4148: BOTH INTERNATIONAL & INLAND You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must __________.

    a. stop your engines
    b. sound two prolonged blasts of the whistle
    c. sound the danger signal
    d. slow to bare steerageway
4149: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 84 )

    a. not under command
    b. showing improper lights
    c. towing
    d. dredging
4150: BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?

    a. One
    b. Two
    c. Three
    d. Four
4151: BOTH INTERNATIONAL & INLAND While underway in fog you hear a vessel sound one prolonged blast followed by two short blasts. What does this signal indicate?

    a. A vessel towing
    b. A vessel being towed
    c. A pilot vessel engaged on pilotage duty
    d. A vessel aground
4152: BOTH INTERNATIONAL & INLAND A power-driven vessel with a 150-meter stern tow shall display __________.

    a. three masthead lights in a vertical line
    b. a towing light above the stern light
    c. two towing lights in a vertical line
    d. a red light over a white light at the masthead
4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.

    a. not under command
    b. in special circumstances
    c. restricted in her ability to maneuver
    d. constrained by her draft
4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?

    a. A power-driven vessel
    b. A vessel engaged on pilotage duty
    c. A vessel dredging
    d. A vessel restricted in her ability to maneuver
4155: BOTH INTERNATIONAL & INLAND A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the __________.

    a. towing vessel is less than 50 meters
    b. towing vessel is greater than 50 meters
    c. tow is less than 200 meters
    d. tow is greater than 200 meters
4156: BOTH INTERNATIONAL & INLAND Which vessel is "underway" under the Rules of the Road?

    a. A vessel at anchor with the engine running
    b. A vessel with a line led to a tree onshore
    c. A vessel drifting with the engine off
    d. A vessel aground
4157: BOTH INTERNATIONAL & INLAND Which vessel may exhibit identifying lights when not actually engaged in her occupation?

    a. A trawler
    b. A fishing vessel
    c. A tug
    d. None of the above
4158: BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.

    a. a basket
    b. two balls
    c. two cones, apexes together
    d. a cone, apex downward
4159: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a __________.

    a. vessel not under command
    b. vessel engaged in fishing
    c. sailing vessel
    d. All of the above
4160: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.

    a. vessel at anchor
    b. vessel not under command
    c. vessel towing
    d. All of the above
4161: BOTH INTERNATIONAL & INLAND A continuous sounding of a fog-signal apparatus indicates __________.

    a. the vessel is in distress
    b. the vessel has completed loading dangerous cargo
    c. it is safe to pass
    d. the vessel is anchored
4162: BOTH INTERNATIONAL & INLAND A vessel at night, displaying the lights shown is __________. (DIAGRAM 83 )

    a. fishing
    b. not under command
    c. towing
    d. being towed
4163: BOTH INTERNATIONAL & INLAND You are underway in restricted visibility. You hear the fog signal of another vessel about 22° on your starboard bow. If danger of collision exists you must __________.

    a. reduce your speed to bare steerageway
    b. slow your engines and let the other vessel pass ahead of you
    c. alter the course to starboard to pass around the other vessel's stern
    d. alter course to port to pass the other vessel on its port side
4164: BOTH INTERNATIONAL & INLAND While underway in fog you hear a whistle signal consisting of one prolonged blast followed immediately by two short blasts. This signal is sounded in fog by __________.

    a. vessels at anchor, not engaged in fishing
    b. vessels underway and towing
    c. vessels in danger
    d. pilot vessels
4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?

    a. She must show sidelights and a stern light in restricted visibility.
    b. She may show an all-round white light at the top of the mast.
    c. She need not show a stern light if she is showing all-round lights on the mast.
    d. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together.
4166: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.

    a. three masthead lights in a vertical line instead of either the forward or after masthead light
    b. two masthead lights in a vertical line instead of either the forward or after masthead lights
    c. two towing lights in a vertical line at the stern
    d. a small white light aft of the funnel
4167: BOTH INTERNATIONAL & INLAND A vessel which is "restricted in her ability to maneuver" under the Rules, is a vessel which is __________.

    a. mineclearing
    b. engaged in fishing
    c. at anchor
    d. not under command
4168: BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.

    a. 10 minutes
    b. 1 minute
    c. 1 hour
    d. 3 minutes
4169: BOTH INTERNATIONAL & INLAND A "head on" situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and __________.

    a. one sidelight and the masthead light are visible
    b. the vessels will pass closer than half a mile
    c. both vessels sound one prolonged blast
    d. both sidelights and masthead light(s) are visible
4170: BOTH INTERNATIONAL & INLAND A 20-meter vessel is towing another vessel astern. The length of the tow from the stern of the towing vessel to the stern of the tow is 75 meters. How many white towing masthead lights shall the towing vessel show at night?

    a. 1
    b. 2
    c. 3
    d. 4
4171: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing, and at anchor, shall show __________.

    a. an anchor light
    b. sidelights and a stern light
    c. three lights in a vertical line, the highest and lowest being red, and the middle being white
    d. None of the above
4173: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a vessel __________.

    a. not under command
    b. restricted in her ability to maneuver
    c. engaged in fishing
    d. All of the above
4174: BOTH INTERNATIONAL & INLAND A vessel sounding a fog signal of one short, one prolonged, and one short blast is indicating that the vessel is __________.

    a. fishing
    b. in distress
    c. at anchor
    d. not under command
4175: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 57 )

    a. restricted in her ability to maneuver and not making way
    b. engaged in fishing and not making way
    c. a pilot vessel underway and making way on pilotage duty
    d. towing and making way
4176: BOTH INTERNATIONAL & INLAND Two all-round red lights displayed in a vertical line are shown by a vessel __________.

    a. being towed
    b. pushing a barge ahead
    c. at anchor
    d. not under command
4177: BOTH INTERNATIONAL & INLAND Your vessel is underway in reduced visibility. You hear the fog signal of another vessel about 30° on your starboard bow. If danger of collision exists, you must __________.

    a. alter course to starboard to pass around the other vessel's stern
    b. slow your engines and let the other vessel pass ahead of you
    c. reduce your speed to bare steerageway
    d. alter course to port and pass the other vessel on its port side
4178: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed by two short blasts. This is a vessel __________.

    a. towing
    b. engaged on pilotage duty
    c. aground in a fairway
    d. stopped and making no way through the water
4179: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed to show the all-round red over green lights on the mast if __________.

    a. she is showing sidelights
    b. her sidelights are combined and shown on the fore and aft centerline of the vessel
    c. she is showing a stern light
    d. her sidelights and stern light are combined in one lantern and shown on the mast
4180: BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing astern, shall show __________.

    a. two towing lights in a vertical line
    b. a towing light in a vertical line above the stern light
    c. two towing lights in addition to the stern light
    d. a small white light in lieu of the stern light
4181: BOTH INTERNATIONAL & INLAND According to the Rules, which vessel is NOT "restricted in her ability to maneuver"?

    a. A vessel servicing a navigation marker
    b. A sailing vessel
    c. A vessel mineclearing
    d. A vessel dredging
4182: BOTH INTERNATIONAL & INLAND Distress signals may be __________.

    a. red flares
    b. smoke signals
    c. sound signals
    d. Any of the above
4183: BOTH INTERNATIONAL & INLAND When anchoring a 25-meter vessel at night, you must show __________.

    a. one all-round white light
    b. two all-round white lights
    c. one all-round white light and the sidelights
    d. the sidelights and a stern light
4184: BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be __________.

    a. not under command
    b. towing a tow more than 200 meters astern
    c. trawling
    d. underway and dredging
4185: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing, and at anchor, should exhibit __________.

    a. an anchor light
    b. sidelights and stern light
    c. three lights in a vertical line, the highest and lowest being red, and the middle being white
    d. None of the above
4186: BOTH INTERNATIONAL & INLAND A vessel fishing should display which of the day signals shown. (DIAGRAM 1 )

    a. A
    b. B
    c. C
    d. D
4187: BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a __________.

    a. vessel not under command
    b. vessel restricted in her ability to maneuver
    c. power-driven vessel approaching on her starboard side
    d. vessel fishing
4188: BOTH INTERNATIONAL & INLAND You are at anchor in fog on a 120-meter power-driven vessel. You hear the fog signal of a vessel approaching off your port bow. You may sound __________.

    a. one prolonged, one short and one prolonged
    b. two short blasts
    c. one short, one prolonged, and one short blast
    d. one prolonged blast
4189: BOTH INTERNATIONAL & INLAND You see a vessel displaying the day signal shown. The vessel may be __________. (DIAGRAM 6 )

    a. not under command
    b. fishing with trawls
    c. laying cable
    d. aground
4190: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds a fog signal of __________.

    a. one prolonged blast at intervals of not more than two minutes
    b. two prolonged blasts at intervals of not more than two minutes
    c. one prolonged blast at intervals of not more than one minute
    d. two prolonged blasts at intervals of not more than one minute
4191: BOTH INTERNATIONAL & INLAND You are on watch in the fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists, __________.

    a. slow to less than 2 knots
    b. stop your engines
    c. reduce to bare steerageway
    d. begin a radar plot
4192: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel fishing with nets shall sound at intervals of two minutes __________.

    a. one prolonged blast
    b. one prolonged followed by two short blasts
    c. one prolonged followed by three short blasts
    d. two prolonged blasts in succession
4193: BOTH INTERNATIONAL & INLAND A 20-meter sailing vessel underway must exhibit a __________.

    a. stern light
    b. combined lantern
    c. red light over a green light at the masthead
    d. All of the above
4194: BOTH INTERNATIONAL & INLAND At night, you are towing a partly submerged vessel, 20 meters in length and 4 meters in breadth. What lights must you display on the towed vessel?

    a. A white light at the stern
    b. Two white lights side by side at the stern
    c. A white light at the forward end and a white light at the after end
    d. Two red lights in a vertical line at the after end
4195: BOTH INTERNATIONAL & INLAND All of the following vessels are "restricted in their ability to maneuver" EXCEPT a vessel __________.

    a. laying a pipeline
    b. dredging
    c. mineclearing
    d. not under command
4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a barge being towed astern at night?

    a. A white light at each corner
    b. A white light fore and aft
    c. Sidelights and a stern light
    d. A stern light only
4197: BOTH INTERNATIONAL & INLAND A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and __________.

    a. during the day, three balls in a vertical line
    b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond
    c. when making way at night, sidelights and a stern light
    d. when making way at night, masthead lights, sidelights, and a stern light
4198: BOTH INTERNATIONAL & INLAND You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. You should sound __________.

    a. one blast, 4 to 6 seconds in duration
    b. three blasts, 4 to 6 seconds in duration
    c. one continuous blast until you are able to see around the bend
    d. one blast, 8 to 10 seconds in duration
4199: BOTH INTERNATIONAL & INLAND A vessel which is fishing must show sidelights and a stern light only when __________.

    a. anchored
    b. underway
    c. dead in the water
    d. underway and making way
4201: BOTH INTERNATIONAL & INLAND A power-driven vessel towing astern shall show __________.

    a. two towing lights in a vertical line
    b. a towing light in a vertical line above the stern light
    c. two towing lights in addition to the stern light
    d. a small white light in lieu of the stern light
4202: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the following signal: one short blast, one prolonged blast and one short blast in succession. Which of the following would it be?

    a. A sailing vessel underway with the wind abaft the beam
    b. A power-driven vessel underway and making way through the water
    c. A vessel at anchor
    d. A vessel towing
4203: BOTH INTERNATIONAL & INLAND If you hear the firing of a gun at one minute intervals from another vessel, this indicates that __________.

    a. the gun is being used to sound passing signals
    b. the vessel is in distress
    c. all vessels are to clear the area
    d. all is clear and it is safe to pass
4204: BOTH INTERNATIONAL & INLAND Fog signals, required under the Rules for vessels underway, shall be sounded __________.

    a. only on the approach of another vessel
    b. only when vessels are in sight of each other
    c. at intervals of not more than one minute
    d. at intervals of not more than two minutes
4205: BOTH INTERNATIONAL & INLAND A towing vessel is towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 250 meters. The towing vessel is 45 meters in length. How many white masthead lights should be displayed on the tugboat at night?

    a. 1
    b. 2
    c. 3
    d. 4
4206: BOTH INTERNATIONAL & INLAND At night, a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two __________.

    a. red lights
    b. red lights and two white lights
    c. red lights with a white light in between
    d. white lights with a red light in between
4207: BOTH INTERNATIONAL & INLAND Your power-driven vessel is underway when you sight a sailing vessel on your port bow. Which vessel is the "stand-on" vessel?

    a. The sailboat, because it is to port of your vessel
    b. The sailboat, because it is under sail
    c. Your vessel, because it is a power-driven vessel
    d. Your vessel, because it is to starboard of the sailboat
4208: BOTH INTERNATIONAL & INLAND Five or more short blasts on a vessel's whistle indicates that she is __________.

    a. in doubt that another vessel is taking sufficient action to avoid a collision
    b. altering course to starboard
    c. altering course to port
    d. the stand-on vessel and will maintain course and speed
4209: BOTH INTERNATIONAL & INLAND Which statement concerning maneuvering in restricted visibility is FALSE?

    a. A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway.
    b. A vessel which hears a fog signal forward of her beam shall stop her engines.
    c. A vessel which hears a fog signal forward of the beam shall navigate with caution.
    d. If a vessel determines by radar that a close-quarters situation is developing, she shall take avoiding action in ample time.
4210: BOTH INTERNATIONAL & INLAND A vessel being towed astern shall show at night __________.

    a. the lights required for a power-driven vessel underway
    b. only the required masthead lights
    c. a stern light only
    d. sidelights and a stern light
4211: BOTH INTERNATIONAL & INLAND In order for a stand-on vessel to take action in a situation, she must determine that the other vessel __________.

    a. is restricted in her ability to maneuver
    b. has sounded the danger signal
    c. is not taking appropriate action
    d. has not changed course since risk of collision was determined
4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.

    a. keep to the starboard side of the channel and sound one short blast
    b. sound the danger signal
    c. sound one prolonged blast
    d. slow your vessel to bare steerageway
4213: BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?

    a. When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel.
    b. A vessel at anchor may sound one short, one prolonged, and one short blast.
    c. A pilot vessel may sound an identity signal on the whistle.
    d. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute.
4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.

    a. red light over a green light at the masthead
    b. white masthead light
    c. combined lantern
    d. stern light
4215: BOTH INTERNATIONAL & INLAND An inconspicuous, partly submerged vessel or object being towed, where the length of tow is 100 meters, shall show __________.

    a. yellow lights at each end
    b. two red lights in a vertical line
    c. a black ball
    d. a diamond shape
4216: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.

    a. initiate an exchange of passing signals
    b. not cross the channel if you might impede the other vessel
    c. sound the danger signal
    d. hold your course and speed
4217: BOTH INTERNATIONAL & INLAND A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.

    a. danger, stay away
    b. all is clear, it is safe to pass
    c. the vessel is anchored
    d. a distress signal
4218: BOTH INTERNATIONAL & INLAND A vessel displaying the day signal shown is __________. (DIAGRAM 7 )

    a. not under command
    b. a dredge underway and dredging
    c. fishing
    d. a hydrographic survey vessel underway
4219: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to port is within the channel and crossing your course. You must __________.

    a. hold course and speed
    b. sound the danger signal
    c. initiate an exchange of passing signals
    d. do not cross the channel if you might impede the other vessel
4220: BOTH INTERNATIONAL & INLAND A vessel towed astern shall show __________.

    a. masthead lights
    b. sidelights
    c. a special flashing light
    d. All of the above
4221: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds which fog signal?

    a. Two short blasts every one minute
    b. One short blast every one minute
    c. Two prolonged blasts every two minutes
    d. One prolonged blast every two minutes
4221: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds which fog signal?

    a. Two short blasts every one minute
    b. One short blast every one minute
    c. Two prolonged blasts every two minutes
    d. One prolonged blast every two minutes
4222: BOTH INTERNATIONAL & INLAND You are towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 150 meters. How many white towing identification lights should be displayed on the tugboat at night?

    a. 1
    b. 2
    c. 3
    d. 4
4223: BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?

    a. A vessel engaged in diving operations
    b. A pilot vessel
    c. A vessel trawling
    d. All of the above
4224: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is required to __________.

    a. maintain course and speed
    b. keep clear
    c. sound one blast and turn to starboard
    d. stop her engines
4225: BOTH INTERNATIONAL & INLAND A single towing light will be carried above a vessel's stern light __________.

    a. only if she is towing astern
    b. only if the tow exceeds 200 meters
    c. at any time when towing
    d. if the towing vessel is part of a composite unit
4226: BOTH INTERNATIONAL & INLAND Which day-shape must be shown by a vessel 25 meters in length aground during daylight hours?

    a. One black ball
    b. Two black balls
    c. Three black balls
    d. Four black balls
4227: BOTH INTERNATIONAL & INLAND An orange flag showing a black circle and square is a __________.

    a. signal indicating a course change
    b. distress signal
    c. signal of asking to communicate with another vessel
    d. signal indicating danger
4228: BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?

    a. When the two vessels are less than half a mile from each other.
    b. When the give-way vessel is not taking appropriate action to avoid collision.
    c. When collision is imminent.
    d. The stand-on vessel is never allowed to take action.
4229: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a 15-meter vessel when you sight a tankship off your port bow coming up the channel. Which statement is TRUE?

    a. Yours is the give-way vessel because it is less than 30 meters long.
    b. You shall not impede the safe passage of the tankship.
    c. The tankship is the stand-on vessel because it is to port of your vessel.
    d. The tankship is the stand-on vessel because it is the larger of the two vessels.
4230: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel restricted in her ability to maneuver, at anchor, would sound a fog signal of __________.

    a. the rapid ringing of a bell for five seconds every minute
    b. two prolonged and two short blasts every two minutes
    c. one prolonged and two short blasts every two minutes
    d. two prolonged and one short blast every two minutes
4231: BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would be required to show __________.

    a. sidelights, stern light, and a red light over a green light on the mast
    b. sidelights, and stern light, but they may be in a combined lantern on the mast
    c. separate sidelights and stern light
    d. sidelights only
4232: BOTH INTERNATIONAL & INLAND The use of the signal consisting of five or more short blasts on the ship's whistle __________.

    a. replaces directional signals
    b. makes the other vessel the give-way vessel
    c. indicates doubt as to the other vessel's action
    d. makes it necessary to slow or stop
4233: BOTH INTERNATIONAL & INLAND While underway in fog, you hear the fog signal of another vessel ahead. If a risk of collision exists, you must __________.

    a. slow to bare steerageway and navigate with caution
    b. sound three short blasts and back your engines
    c. stop your engines and navigate with caution
    d. continue on your course and speed until the other vessel is sighted
4234: BOTH INTERNATIONAL & INLAND What lights, if any, would you exhibit at night if your vessel were broken down and being towed by another vessel?

    a. None
    b. Same lights as for a power-driven vessel underway
    c. A white light forward and a white light aft
    d. The colored sidelights and a white stern light
4235: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 7 )

    a. broken down
    b. fishing
    c. a minesweeper
    d. transferring dangerous cargo
4236: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this indicates a __________.

    a. vessel not under command
    b. sailing vessel
    c. vessel in distress
    d. vessel being towed
4237: BOTH INTERNATIONAL & INLAND At night, which lights would you see on a vessel engaged in fishing, other than trawling?

    a. Two red lights, one over the other
    b. A green light over a red light
    c. A red light over a white light
    d. A white light over a red light
4239: BOTH INTERNATIONAL & INLAND You are on a vessel nearing a bend in the channel where, because of the height of the bank, you cannot see a vessel approaching from the opposite direction. You should sound __________.

    a. one short blast
    b. one prolonged blast
    c. one long blast
    d. five or more short blasts
4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.

    a. merchant vessel reporting systems
    b. traffic separation schemes
    c. collision avoidance fairways
    d. restricted maneuverability channels
4241: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The first vessel of the tow should sound __________.

    a. no fog signal
    b. one short blast
    c. one prolonged and three short blasts
    d. one prolonged, one short, and one prolonged blast
4241: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The first vessel of the tow should sound __________.

    a. no fog signal
    b. one short blast
    c. one prolonged and three short blasts
    d. one prolonged, one short, and one prolonged blast
4242: BOTH INTERNATIONAL & INLAND All fog signals shall be sounded every two minutes with the exception of a vessel __________.

    a. underway or making way
    b. under sail or under tow
    c. anchored or aground
    d. not under command or restricted in her ability to maneuver
4243: BOTH INTERNATIONAL & INLAND In reduced visibility, you hear two prolonged blasts of a whistle. This signal is sounded by a __________.

    a. power-driven vessel dead in the water
    b. sailing vessel on the port tack
    c. vessel not under command
    d. vessel fishing with nets
4244: BOTH INTERNATIONAL & INLAND A 200-meter vessel restricted in her ability to maneuver, at anchor, will sound a fog signal of __________.

    a. a 5 second ringing of a bell forward and a 5 second sounding of a gong aft at intervals of 1 minute
    b. one prolonged followed by two short blasts every 2 minutes
    c. one prolonged followed by three short blasts every minute
    d. one prolonged followed by three short blasts every 2 minutes
4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel displaying the lights shown is __________. (DIAGRAM 62 )

    a. engaged in fishing
    b. mine sweeping
    c. a pilot boat
    d. under sail
4247: BOTH INTERNATIONAL & INLAND What day-shape is to be shown by a vessel aground?

    a. A cylinder
    b. Two cones with their apexes together
    c. Two black balls in a vertical line
    d. Three black balls in a vertical line
4248: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?

    a. Red flares or red rockets
    b. Continuous sounding of fog signaling apparatus
    c. International Code Flags "November" and "Charlie"
    d. Basket hanging in the rigging
4249: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?

    a. She must use this equipment to obtain early warning of risk of collision.
    b. The use of a radar excuses a vessel from the need of a look-out.
    c. The radar equipment is only required to be used in restricted visibility.
    d. The safe speed of such a vessel will likely be greater than that of vessels without radar.
4250: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 60 )

    a. towing
    b. being towed
    c. broken down
    d. fishing
4251: BOTH INTERNATIONAL & INLAND At night, if you see a vessel ahead displaying the lights shown you should __________. (DIAGRAM 70 )

    a. provide assistance as the vessel is in distress
    b. stay clear as the vessel is transferring dangerous cargo
    c. stay clear as the vessel is fishing
    d. change course to the right as the vessel is crossing your bow
4253: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty shall show identity lights __________.

    a. at any time while underway
    b. while at anchor
    c. while alongside a vessel
    d. All of the above
4254: BOTH INTERNATIONAL & INLAND You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must __________.

    a. stop your engines
    b. sound two prolonged blasts of the whistle
    c. sound the danger signal
    d. slow to bare steerageway
4255: BOTH INTERNATIONAL & INLAND A stand-on vessel in a crossing situation is allowed to take action when __________.

    a. on a collision course
    b. the vessels will pass within one mile
    c. it becomes apparent to her that the give-way vessel is not taking appropriate action
    d. the relative speed of the vessels indicates collision in less than six minutes
4256: BOTH INTERNATIONAL & INLAND Traffic separation schemes established by the International Maritime Organization __________.

    a. provide inbound and outbound lanes to promote the safe flow of vessel traffic
    b. provide vessel reporting systems to assist in search and rescue in the event of a vessel casualty
    c. provide routing and vessel scheduling procedures to reduce shipping delays
    d. prohibit vessels carrying hazardous cargos from entering waters that are environmentally sensitive
4257: BOTH INTERNATIONAL & INLAND Which vessel is required to sound a fog signal of one prolonged followed by two short blasts?

    a. A vessel not under command
    b. A sailing vessel, underway
    c. A vessel restricted in its ability to maneuver, at anchor
    d. All of the above
4258: BOTH INTERNATIONAL & INLAND At night, a broken down vessel being towed would show the same lights as __________.

    a. a power-driven vessel underway
    b. the towing vessel
    c. a barge
    d. a vessel at anchor
4259: BOTH INTERNATIONAL & INLAND What is the optional whistle signal which may be sounded by a vessel at anchor?

    a. Two prolonged followed by one short blast
    b. One short followed by two prolonged blasts
    c. One short, one prolonged, followed by one short blast
    d. Four short blasts
4260: BOTH INTERNATIONAL & INLAND The minimum length of a power-driven vessel that must show forward and after masthead lights is __________.

    a. 30 meters
    b. 50 meters
    c. 75 meters
    d. 100 meters
4261: BOTH INTERNATIONAL & INLAND What light(s), if any, would you show at night if your vessel was broken down and being towed astern by another vessel?

    a. None
    b. Same lights as for a power-driven vessel underway
    c. A white light forward and a white light aft
    d. The colored sidelights and a white stern light
4262: BOTH INTERNATIONAL & INLAND A vessel not under command making way at night would show __________.

    a. two all-round red lights in a vertical line
    b. anchor lights and sidelights
    c. two all-round white lights in a vertical line, sidelights and a stern light
    d. two all-round red lights in a vertical line, sidelights, and a stern light
4263: BOTH INTERNATIONAL & INLAND In a dense fog, you hear a whistle signal of one prolonged blast followed by three short blasts. This signal is sounded by a __________.

    a. manned vessel being towed
    b. fishing vessel underway trawling
    c. pilot vessel underway making a special signal
    d. vessel not under command
4265: BOTH INTERNATIONAL & INLAND While underway and pushing a barge ahead, your vessel enters a heavy rain storm. You should sound __________.

    a. a prolonged blast every two minutes
    b. two prolonged blasts every two minutes
    c. one prolonged and two short blasts every two minutes
    d. one prolonged and three short blasts every two minutes
4266: BOTH INTERNATIONAL & INLAND On open waters, a power-driven vessel shall keep out of the way of a __________.

    a. vessel on her port side that is crossing her course
    b. vessel that is overtaking her
    c. seaplane on the water
    d. sailing vessel
4267: BOTH INTERNATIONAL & INLAND You are overtaking a vessel at night and you see a yellow light showing above the stern light of the overtaken vessel. The overtaken vessel is __________.

    a. underway and dredging
    b. pushing ahead or towing alongside
    c. towing astern
    d. a pilot vessel
4268: BOTH INTERNATIONAL & INLAND Your vessel is at anchor in fog. The fog signal of another vessel, apparently underway, has been growing louder and the danger of collision appears to exist. In addition to your fog signal, what signal may be used to indicate your presence?

    a. No signal other than your fog signal may be used.
    b. One prolonged, one short, and one prolonged whistle blast
    c. One prolonged followed by two short whistle blasts
    d. One short, one prolonged, and one short whistle blast
4269: BOTH INTERNATIONAL & INLAND All of the following are distress signals under the Rules EXCEPT __________.

    a. International Code Signal "AA"
    b. orange-colored smoke
    c. red flares
    d. the repeated raising and lowering of outstretched arms
4270: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a __________. (DIAGRAM 70 )

    a. pilot boat
    b. sailboat
    c. fishing vessel
    d. motorboat
4271: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The third vessel of the tow should sound __________.

    a. no fog signal
    b. one prolonged and two short blasts
    c. one prolonged and three short blasts
    d. one prolonged, one short and one prolonged blast
4272: BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing another vessel astern shall show the light(s) in Diagram __________. (DIAGRAMS 46, 54, 60 )

    a. 75
    b. 60
    c. 54
    d. 46
4273: BOTH INTERNATIONAL & INLAND Which vessel is NOT classified as "restricted in her ability to maneuver"?

    a. A vessel picking up a navigation mark
    b. A vessel transferring cargo while underway
    c. A vessel whose anchor is fouled
    d. A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
4274: BOTH INTERNATIONAL & INLAND During the day, a vessel picking up a submarine cable shall carry __________.

    a. three shapes, the highest and lowest shall be red balls, and the middle shall be a white diamond
    b. two black balls
    c. three shapes; the highest and lowest shall be black balls, and the middle shall be a red diamond
    d. three shapes; the highest and lowest shall be black balls and the middle shall be a black diamond
4276: BOTH INTERNATIONAL & INLAND While underway your vessel enters fog. You stop your engines and the vessel is dead in the water. Which fog signal should you sound?

    a. One prolonged blast every two minutes
    b. Two prolonged blasts every two minutes
    c. Three short blasts every two minutes
    d. One prolonged and three short blasts every two minutes
4277: BOTH INTERNATIONAL & INLAND You are underway in a fog when you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could indicate all of the following EXCEPT a vessel __________.

    a. being towed
    b. not under command
    c. fishing with trawls
    d. towing astern
4278: BOTH INTERNATIONAL & INLAND A light signal consisting of three flashes means __________.

    a. "I am in doubt as to your actions"
    b. "My engines are full speed astern"
    c. "I desire to overtake you"
    d. "I am operating astern propulsion"
4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.

    a. you are the stand-on vessel
    b. a risk of collision exists
    c. a special circumstances situation exists
    d. the other vessel is dead in the water
4280: BOTH INTERNATIONAL & INLAND Vessels I and II are underway as shown. Vessel I is a sailing vessel with the wind dead aft. Vessel II is a power-driven vessel trawling. Which statement is TRUE? (DIAGRAM 33 )

    a. Vessel I is to keep clear because the other vessel is fishing.
    b. Vessel II is to keep clear because she is a power-driven vessel.
    c. Vessel II is to keep clear because the other vessel is to its starboard.
    d. Both vessels are to take action to stay clear of each other.
4281: BOTH INTERNATIONAL & INLAND A vessel 30 meters in length and aground would display a day-shape consisting of __________.

    a. a cylinder
    b. one black ball
    c. two black balls in a vertical line
    d. three black balls in a vertical line
4282: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 63 )

    a. towing astern
    b. underway and more than 50 meters in length
    c. broken down
    d. fishing
4283: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?

    a. A continuous sounding of the fog horn
    b. Firing a gun every minute
    c. Five or more short rapid blasts on the whistle
    d. A square flag and ball flown from the mast
4284: BOTH INTERNATIONAL & INLAND Which statement is true concerning a vessel equipped with operational radar?

    a. The Master of the vessel must be on the bridge when the radar is in use.
    b. The radar equipment is only required to be used in restricted visibility.
    c. The use of a radar excuses a vessel from the need of a look-out.
    d. This equipment must be used to obtain early warning of risk of collision.
4285: BOTH INTERNATIONAL & INLAND While underway in fog you hear another vessel sounding two prolonged blasts every two minutes. This signal indicates a vessel __________.

    a. making way through the water
    b. towing
    c. drifting
    d. anchored
4286: BOTH INTERNATIONAL & INLAND A vessel which is underway at night and displaying the lights shown is __________. (DIAGRAM 69 )

    a. engaged in trawling
    b. minesweeping
    c. under sail
    d. a pilot boat
4287: BOTH INTERNATIONAL & INLAND Fog bell signals for vessels at anchor or aground shall be sounded at intervals of not more than __________.

    a. 15 minutes
    b. 5 minutes
    c. 2 minutes
    d. 1 minutes
4288: BOTH INTERNATIONAL & INLAND A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?

    a. During the day, she would display three balls in a vertical line.
    b. If making way, she would show masthead lights at night.
    c. If at anchor, she need not show anchor lights while displaying identifying lights.
    d. Her fog signal would consist of a rapid ringing of a bell for five seconds every minute.
4289: BOTH INTERNATIONAL & INLAND You are on a power-driven vessel in fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists __________.

    a. slow to less than 2 knots
    b. reduce to bare steerageway
    c. stop your engines
    d. initiate a radar plot
4290: BOTH INTERNATIONAL & INLAND While underway in a fog you hear a signal of three strokes of a bell, a rapid ringing of the bell, and three more strokes of the bell. This signal is made by a vessel __________.

    a. at anchor and giving warning
    b. aground
    c. at anchor and greater than 100 meters in length
    d. not under command and at anchor
4292: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.

    a. towing
    b. being towed (manned)
    c. under sail
    d. at anchor
4293: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?

    a. A vessel not under command
    b. A sailing vessel underway
    c. A vessel restricted in its ability to maneuver, at anchor
    d. All of the above
4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is __________.

    a. in distress
    b. approaching a bend in the channel
    c. operating astern propulsion
    d. intending to overtake another vessel
4295: BOTH INTERNATIONAL & INLAND The use of the danger signal __________.

    a. replaces directional signals
    b. makes the other vessel the stand-on vessel
    c. indicates doubt as to another vessels actions
    d. is the same as a "MAYDAY" signal
4296: BOTH INTERNATIONAL & INLAND Which power-driven vessel is NOT required to carry a light in the position of the after masthead light?

    a. A pushing vessel and a vessel being pushed, in a composite unit and 100 meters in length
    b. A vessel of 60 meters in length towing astern
    c. A vessel of 45 meters in length trolling
    d. Any vessel constrained by her draft
4297: BOTH INTERNATIONAL & INLAND Which requirement must be met in order for a stand-on vessel to take action to avoid collision?

    a. Risk of collision must exist.
    b. The give-way vessel must have taken action first.
    c. The vessels must be within half a mile of each other.
    d. There are no requirements to be met. The stand-on vessel may take action anytime.
4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.

    a. one all-round white light
    b. sidelights and a stern light
    c. only the outboard sidelight and a stern light
    d. a masthead light, sidelights, and a stern light
4299: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel on your 15-meter vessel. A deeply loaded cargo vessel is proceeding down the channel as shown. In this situation, which statement is correct? (DIAGRAM 40 )

    a. You are the stand-on vessel because you are less than 65 feet in length.
    b. You cannot impede the passage of the cargo vessel.
    c. The cargo vessel is the stand-on vessel because she is running with the current.
    d. The Rule of Special Circumstances applies in this case.
4300: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the light shown is __________. (DIAGRAM 46 )

    a. sailing
    b. fishing and making way
    c. a pilot boat making way
    d. fishing and anchored
4301: BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?

    a. A vessel is 22 degrees on your port bow, range increasing, bearing changing slightly to the right.
    b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right.
    c. A vessel is 22 degrees abaft your port beam, range increasing, bearing is constant.
    d. A vessel is on your starboard quarter, range decreasing, bearing is constant.
4302: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound __________.

    a. one long blast
    b. one prolonged blast
    c. the danger signal
    d. two short blasts
4303: BOTH INTERNATIONAL & INLAND In fog, you hear apparently forward of your beam a fog signal of 2 prolonged blasts in succession every two minutes. This signal indicates a __________.

    a. power-driven vessel making way through the water
    b. vessel being pushed ahead
    c. vessel restricted in her ability to maneuver
    d. power-driven vessel underway but stopped and making no way through the water
4304: BOTH INTERNATIONAL & INLAND A vessel being towed will show __________.

    a. a forward masthead light
    b. sidelights and a stern light
    c. a towing light
    d. All of the above
4305: BOTH INTERNATIONAL & INLAND In fog, a vessel being towed, if manned, shall sound a fog signal of __________.

    a. two short blasts
    b. three short blasts
    c. one prolonged and two short blasts
    d. one prolonged and three short blasts
4306: BOTH INTERNATIONAL & INLAND Which vessel is directed not to impede the passage of a vessel which can only navigate inside a narrow channel?

    a. A vessel of less than 20 meters in length
    b. A vessel not under command
    c. A vessel engaged in surveying
    d. All of the above
4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?

    a. A diamond
    b. A cone
    c. One black ball
    d. Two black balls in a vertical line
4310: BOTH INTERNATIONAL & INLAND Which vessel is to be regarded as a vessel "restricted in her ability to maneuver"?

    a. A vessel fishing with trawls
    b. A vessel which has lost the use of her steering gear
    c. A vessel with a draft of such depth that she cannot change her course
    d. A vessel engaged in mineclearing
4311: BOTH INTERNATIONAL & INLAND Which vessel would show 3 day-shapes in a vertical line, the highest and lowest being balls and the middle shape being a diamond?

    a. Vessel not under command
    b. Vessel constrained by her draft
    c. Vessel minesweeping
    d. Vessel restricted in her ability to maneuver
4312: BOTH INTERNATIONAL & INLAND A power-driven vessel "not under command" at night must show which lights in a vertical line?

    a. Three red
    b. Two red
    c. Two white
    d. Three white
4313: BOTH INTERNATIONAL & INLAND While underway at night, you sight a vessel ahead displaying the lights shown. How should the vessels pass? (DIAGRAM 71 )

    a. Both vessels should alter course to starboard and pass port to port.
    b. Both vessels should alter course to port and pass starboard to starboard.
    c. Your vessel should hold course and speed and the other vessel should keep clear.
    d. You should sound an appropriate overtaking signal.
4314: BOTH INTERNATIONAL & INLAND In order for a vessel to be "engaged in fishing" she must be __________.

    a. underway
    b. using gear which extends more than 50 meters outboard
    c. using a seine of some type
    d. using gear which restricts her maneuverability
4315: INTERNATIONAL ONLY While underway and in sight of another vessel you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?

    a. You must sound three short blasts on the whistle.
    b. You must sound one blast if backing to starboard.
    c. You must sound whistle signals only if the vessels are meeting.
    d. You need not sound any whistle signals.
4316: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel in a crossing situation take action to avoid the other vessel?

    a. When a risk of collision exists
    b. When action by the give-way vessel alone will not prevent a collision
    c. When the bearing to give-way vessel becomes steady
    d. When the vessels become less than 1/2 mile apart
4317: BOTH INTERNATIONAL & INLAND What signal would a vessel aground show during daylight?

    a. One black ball
    b. Two black balls
    c. Three black balls
    d. Four black balls
4318: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?

    a. Flames on a vessel
    b. Vertical motion of a white lantern at night
    c. Code flags "November" and "Charlie"
    d. Dye marker on the water
4319: BOTH INTERNATIONAL & INLAND Which statement about a 25-meter auxiliary sailboat is TRUE?

    a. The sidelights and stern light may be combined in one lantern.
    b. When operating under sail, her fog signal would consist of one prolonged blast.
    c. She may show a green light over a red light at the masthead.
    d. She must show fixed sidelights.
4320: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?

    a. A vessel of less than 20 meters in length
    b. A vessel sailing
    c. A vessel fishing
    d. All of the above
4321: BOTH INTERNATIONAL & INLAND While underway in a fog, you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could mean all of the following EXCEPT a vessel __________.

    a. not under command
    b. towing astern
    c. fishing with trawls
    d. being towed
4322: BOTH INTERNATIONAL & INLAND In which situation do you think a risk of collision exists?

    a. A vessel is 22° on your port bow, range increasing, bearing changing slightly to the right.
    b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right.
    c. A vessel is 22° abaft your port beam, range increasing, bearing is constant.
    d. A vessel is on your starboard quarter, range decreasing, bearing is constant.
4323: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the lights shown is a __________. (DIAGRAM 53 )

    a. vessel engaged on pilotage duty underway
    b. vessel engaged in fishing
    c. vessel under sail
    d. power-driven vessel underway
4325: BOTH INTERNATIONAL & INLAND A vessel aground in fog shall sound, in addition to the proper anchor signal, which of the following?

    a. Three strokes on the gong before and after sounding the anchor signal
    b. Three strokes on the bell before and after the anchor signal
    c. Four short blasts on the whistle
    d. One prolonged and one short blast on the whistle
4327: BOTH INTERNATIONAL & INLAND Two vessels are approaching each other near head on. What action should be taken to avoid collision?

    a. The first vessel to sight the other should give way.
    b. The vessel making the slower speed should give way.
    c. Both vessels should alter course to starboard.
    d. Both vessels should alter course to port.
4328: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape shown __________. (DIAGRAM 10 )

    a. is at anchor
    b. is not under command
    c. has a tow that exceeds 200 meters in length
    d. has a tow that is carrying dangerous cargo
4329: BOTH INTERNATIONAL & INLAND Your vessel is 25 meters long and anchored in restricted visibility. You are required to sound the proper fog signal at intervals of not more than __________.

    a. 30 seconds
    b. one minute
    c. two minutes
    d. three minutes
4330: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a short blast, a prolonged blast, and a short blast of a whistle. This signal indicates a __________.

    a. vessel towing in fog
    b. sailboat underway in fog
    c. vessel being towed in fog
    d. vessel anchored in fog
4331: BOTH INTERNATIONAL & INLAND You see the lights shown. What would it be? (DIAGRAM 77 )

    a. A vessel pushing barges ahead
    b. A vessel towing barges astern
    c. A pipeline
    d. A stationary dredge
4332: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. You may hold your course and speed until __________.

    a. the other vessel takes necessary action
    b. the other vessel gets to within half a mile of your vessel
    c. action by the give-way vessel alone will not prevent collision
    d. the other vessel gets to within a quarter mile of your vessel
4333: BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.

    a. 22.5° abaft the beam
    b. abeam
    c. 22.5° forward of the beam
    d. 135° abaft the beam
4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?

    a. 20 meters
    b. 50 meters
    c. 65 meters
    d. 100 meters
4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 82 )

    a. sailing
    b. fishing
    c. a pilot boat
    d. anchored
4336: BOTH INTERNATIONAL & INLAND While underway and in sight of another vessel crossing less than .5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?

    a. You must sound three short blasts on the whistle.
    b. You must sound one blast if backing to starboard.
    c. You must sound whistle signals only if the vessels are meeting.
    d. You need not sound any whistle signals.
4337: BOTH INTERNATIONAL & INLAND A vessel showing a yellow light over a white light at night is a vessel __________.

    a. engaged in piloting
    b. towing astern
    c. engaged in fishing
    d. in distress
4338: BOTH INTERNATIONAL & INLAND A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to __________.

    a. moderate speed
    b. safe speed
    c. half speed
    d. bare steerageway
4339: BOTH INTERNATIONAL & INLAND Two vessels are in an overtaking situation. Which of the lights on the overtaken vessel will the overtaking vessel see?

    a. Two masthead lights
    b. One masthead light and a sidelight
    c. Both sidelights
    d. Stern light only
4340: BOTH INTERNATIONAL & INLAND While underway and making way your vessel enters fog. Which fog signal should you sound every two minutes?

    a. One prolonged blast
    b. Two prolonged blasts
    c. Three short blasts
    d. A prolonged blast and three short blasts
4341: BOTH INTERNATIONAL & INLAND On open water, a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel's starboard side. Which vessel is the stand-on vessel?

    a. The fishing vessel because it is to port of the sailing vessel.
    b. The fishing vessel because it is fishing.
    c. The sailing vessel because it is to starboard of the fishing vessel.
    d. The sailing vessel because it is sailing.
4342: BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited __________.

    a. from sunrise to sunset in restricted visibility
    b. at all times
    c. from sunset to sunrise, and at no other time
    d. whenever a look-out is posted
4343: BOTH INTERNATIONAL & INLAND Risk of collision may exist __________.

    a. if the compass bearing of an approaching vessel does NOT appreciably change
    b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
    c. if you observe both sidelights of a vessel ahead for an extended period of time
    d. All of the above
4344: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.

    a. you can stop within your visibility range
    b. you can take proper and effective action to avoid collision
    c. you are traveling slower than surrounding vessels
    d. no wake comes from your vessel
4344: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.

    a. you can stop within your visibility range
    b. you can take proper and effective action to avoid collision
    c. you are traveling slower than surrounding vessels
    d. no wake comes from your vessel
4345: BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is __________.

    a. engaged in underwater construction
    b. under sail and power
    c. a pilot vessel
    d. trawling
4346: BOTH INTERNATIONAL & INLAND A vessel being towed at night must show __________.

    a. a white all-round light, only
    b. sidelights and a stern light
    c. a flashing yellow light, only
    d. forward and after masthead lights
4347: BOTH INTERNATIONAL & INLAND To determine if risk of collision exists, a vessel which is fitted with radar must use __________.

    a. radar scanning
    b. radar plotting
    c. compass bearings
    d. All of the above
4348: BOTH INTERNATIONAL & INLAND You are on vessel "A" pushing a barge ahead and meeting vessel "B" as shown. How should the vessels pass? (DIAGRAM 12 )

    a. Both vessels must alter course to starboard and pass port to port.
    b. Both vessels must alter course to port and pass starboard to starboard.
    c. Vessel "A" should maintain course and vessel "B" alter course.
    d. The vessels should determine which will alter course by sounding whistle signals.
4349: BOTH INTERNATIONAL & INLAND If a vessel is engaged in fishing according to the definitions in the Rules, it will have __________.

    a. gear extending from the side or stern
    b. gear that restricts maneuverability
    c. less than 50 percent trolling lines
    d. None of the above
4350: BOTH INTERNATIONAL & INLAND While underway in fog you hear the rapid ringing of a bell. What does this signal indicate?

    a. A vessel backing down
    b. A sailboat underway
    c. A vessel at anchor
    d. A vessel drifting
4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?

    a. The vessel which has the other on her own port side shall keep out of the way.
    b. If the stand-on vessel takes action, she shall avoid changing course to port.
    c. If the give-way vessel takes action, she shall avoid changing course to starboard.
    d. The give-way vessel should keep the other vessel to her starboard.
4352: BOTH INTERNATIONAL & INLAND What is the minimum vessel length which must show two white masthead lights, one forward and one aft, when underway at night?

    a. 7 meters
    b. 20 meters
    c. 50 meters
    d. 100 meters
4353: BOTH INTERNATIONAL & INLAND Every vessel that is to keep out of the way of another vessel must take positive early action to comply with this obligation and must __________.

    a. avoid crossing ahead of the other vessel
    b. avoid passing astern of the other vessel
    c. sound one prolonged blast to indicate compliance
    d. alter course to port for a vessel on her port side
4354: BOTH INTERNATIONAL & INLAND At night, a power-driven vessel less than 12 meters in length may, instead of the normal navigation lights, show sidelights and one __________.

    a. white light
    b. yellow light
    c. flashing white light
    d. flashing yellow light
4355: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in an 18-meter tug when you sight a loaded tankship off your port bow coming up the channel. Which statement is correct?

    a. Neither vessel is the stand-on vessel because the tankship is crossing.
    b. You cannot impede the safe passage of the tankship.
    c. The tankship is the stand-on vessel because it is in the channel.
    d. The tankship is the stand-on vessel because it is the larger of the two vessels.
4356: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing underway sounds the same fog signal as a __________.

    a. power-driven vessel stopped and making no way through the water
    b. vessel being towed
    c. vessel restricted in her ability to maneuver at anchor
    d. sailing vessel at anchor
4357: BOTH INTERNATIONAL & INLAND A vessel 15 meters in length which is proceeding under sail as well as being propelled by machinery shall exhibit during the daytime __________.

    a. one black ball
    b. a basket
    c. a cone with its apex downward
    d. two cones with their apexes together
4358: BOTH INTERNATIONAL & INLAND Which vessel should not impede the navigation of a power-driven vessel?

    a. A vessel not under command
    b. A vessel engaged in fishing
    c. A sailing vessel
    d. A seaplane
4359: BOTH INTERNATIONAL & INLAND Your vessel is underway but stopped and making no way through the water when fog sets in. Which fog signal should you sound?

    a. One prolonged blast on the whistle
    b. One prolonged blast and two short blasts on the whistle
    c. Two prolonged blasts on the whistle
    d. One short, one prolonged, and one short blast on the whistle
4360: BOTH INTERNATIONAL & INLAND While underway, you see a vessel displaying the day-shapes shown. Which action should you take? (DIAGRAM 6 )

    a. Maintain course and speed
    b. Provide assistance, the other vessel is in distress
    c. Stay clear, the other vessel is maneuvering with difficulty
    d. Stop your vessel and sound passing signals
4362: BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a __________.

    a. power-driven vessel underway
    b. vessel not under command
    c. vessel sailing
    d. vessel engaged on pilotage duty
4363: BOTH INTERNATIONAL & INLAND A vessel displaying the day shape shown is __________. (DIAGRAM 10 )

    a. broken down
    b. anchored
    c. towing
    d. fishing
4364: BOTH INTERNATIONAL & INLAND The whistle signal for a vessel operating astern propulsion is __________.

    a. one long blast
    b. one prolonged blast
    c. three short blasts
    d. four or more short blasts
4365: BOTH INTERNATIONAL & INLAND An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show?

    a. Three lights in a vertical line, the highest and lowest red and the middle white, and anchor lights
    b. Three lights in a vertical line, the highest and lowest red and the middle white, ONLY
    c. Anchor lights ONLY
    d. Anchor lights and sidelights ONLY
4366: BOTH INTERNATIONAL & INLAND Which vessel is a "vessel restricted in her ability to maneuver" under the Rules?

    a. A vessel mineclearing
    b. A vessel engaged in fishing
    c. A vessel at anchor
    d. A vessel not under command
4367: BOTH INTERNATIONAL & INLAND What would NOT be a distress signal?

    a. "MAYDAY" sent by radiotelephone
    b. Continuous sounding of fog horn
    c. Green star shells fired from a launcher
    d. Square flag and ball in a vertical line
4368: BOTH INTERNATIONAL & INLAND In a dense fog you hear a whistle signal ahead of one prolonged blast followed by three short blasts. This signal indicates a __________.

    a. fishing vessel underway trawling
    b. manned vessel being towed
    c. pilot vessel underway making a special signal
    d. vessel not under command
4371: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.

    a. one sidelight of a vessel ahead of you
    b. one sidelight and a masthead light of a vessel ahead of you
    c. one sidelight, a masthead light, and a range light of a vessel ahead of you
    d. both sidelights of a vessel dead ahead of you
4372: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.

    a. one short blast and maintain course
    b. two short blasts, alter to port, and pass astern
    c. no signal and maneuver at will
    d. the danger signal
4373: BOTH INTERNATIONAL & INLAND A lantern combining the two sidelights and stern light may be shown on a __________.

    a. 10-meter sailing vessel
    b. 20-meter vessel engaged in fishing and making way
    c. 25-meter power-driven vessel engaged in trolling
    d. 25-meter pilot vessel
4374: BOTH INTERNATIONAL & INLAND A vessel aground would show the same day-shape as a __________.

    a. vessel towing a submerged object
    b. dredge underway and dredging
    c. hydrographic survey vessel at anchor and surveying
    d. None of the above
4375: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear a signal of three strokes of a bell, a rapid ringing of the bell, and three more strokes of the bell. This signal indicates a vessel __________.

    a. at anchor, giving warning
    b. aground
    c. at anchor, greater than 100 meters
    d. not under command at anchor
4376: BOTH INTERNATIONAL & INLAND A power-driven vessel "not under command" at night must show her sidelights when __________.

    a. making headway
    b. making no headway
    c. moored to a buoy
    d. at anchor
4377: BOTH INTERNATIONAL & INLAND The term "prolonged blast" means a blast of __________.

    a. two to four seconds duration
    b. four to six seconds duration
    c. six to eight seconds duration
    d. eight to ten seconds duration
4378: BOTH INTERNATIONAL & INLAND While you are underway, navigation lights must be displayed on your vessel __________.

    a. during all periods of restricted visibility
    b. at all times
    c. at night only when other vessels may be in the area
    d. at night only when vessels are detected on radar
4379: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?

    a. The stand-on vessel must keep out of the way of the other vessel when risk of collision exists.
    b. Risk of collision always exists when two vessels pass within one mile of each other.
    c. Risk of collision always exists when the compass bearing of an approaching vessel changes appreciably.
    d. Risk of collision may exist when the compass bearing of an approaching vessel is changing appreciably.
4380: BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured shall sound __________.

    a. one short blast
    b. one long blast
    c. two short blasts
    d. one prolonged blast
4381: BOTH INTERNATIONAL & INLAND A vessel that is defined as "restricted in her ability to maneuver" is unable to keep out of the way of another vessel due to __________.

    a. her draft
    b. the nature of her work
    c. some exceptional circumstances
    d. a danger of navigation
4382: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound four short blasts in succession. What does this signal indicate?

    a. A pilot vessel
    b. A vessel being towed
    c. A vessel fishing
    d. A sailboat
4383: BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should __________.

    a. take avoiding action immediately upon determining that risk of collision exists
    b. immediately sound the danger signal
    c. take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate
    d. hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision
4384: BOTH INTERNATIONAL & INLAND In DIAGRAM 8, vessel "A" and vessel "B" (which is pushing ahead) are meeting head-on as shown. How must the vessels pass? (DIAGRAM 8 )

    a. Vessel "A" must alter course while vessel "B" continues on its present course.
    b. The vessels should determine which will alter course by exchanging whistle signals.
    c. Both vessels should alter course to port and pass starboard to starboard.
    d. Both vessels should alter course to starboard and pass port to port.
4385: BOTH INTERNATIONAL & INLAND To be considered "engaged in fishing" according to the Rules of the Road, a vessel must be __________.

    a. using fishing apparatus which restricts maneuverability
    b. using trolling lines
    c. power-driven
    d. showing lights or shapes for a vessel restricted in her ability to maneuver
4386: BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. This bell indicates a __________.

    a. vessel at anchor
    b. vessel in distress
    c. sailboat underway
    d. vessel backing out of a berth
4387: BOTH INTERNATIONAL & INLAND An overtaking situation would be one in which one vessel is approaching another from more than how many degrees abaft the beam?

    a. 0°
    b. 10°
    c. 22.5°
    d. None of the above
4388: BOTH INTERNATIONAL & INLAND A stand-on vessel is __________.

    a. required to give way in a crossing situation
    b. required to sound the first passing signal in a meeting situation
    c. free to maneuver in any crossing or meeting situation as it has the right-of-way
    d. required to maintain course and speed in a crossing situation but may take action to avoid collision
4389: BOTH INTERNATIONAL & INLAND An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?

    a. Masthead lights and sidelights
    b. One sidelight, the masthead lights and stern light
    c. Both sidelights
    d. Stern light
4389: BOTH INTERNATIONAL & INLAND An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?

    a. Masthead lights and sidelights
    b. One sidelight, the masthead lights and stern light
    c. Both sidelights
    d. Stern light
4390: BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night?

    a. One all-round white light
    b. A stern light
    c. Red and green sidelights
    d. Red and green sidelights and a stern light
4391: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a small motorboat. You sight a tankship off your port bow coming up the channel. Which statement is TRUE?

    a. You are the stand-on vessel because the tankship is to port.
    b. You cannot impede the safe passage of the tankship.
    c. The tankship is the stand-on vessel because it is to port of your vessel.
    d. The tankship is the stand-on vessel because it is the larger of the two vessels.
4392: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a fog signal of one prolonged followed by two short blasts?

    a. A vessel dredging
    b. A vessel being towed
    c. A vessel engaged in fishing
    d. A sailing vessel
4393: BOTH INTERNATIONAL & INLAND Which light(s) is(are) AMONG those shown by a 200-meter vessel at anchor?

    a. In the forepart of the vessel, a 225° white light
    b. In the after part of the vessel, a 135° white light
    c. Any available working lights to illuminate the decks
    d. In the fore part of the vessel, a 135° white light
4394: BOTH INTERNATIONAL & INLAND A partly submerged vessel or object being towed, which is not readily noticeable, shall show __________.

    a. yellow lights at each end
    b. two red lights in a vertical line
    c. a black ball
    d. a diamond shape
4395: BOTH INTERNATIONAL & INLAND The lights displayed indicate a __________. (DIAGRAM 73 )

    a. fishing vessel trolling
    b. vessel laying submarine cable
    c. vessel towing astern
    d. vessel dredging
4396: BOTH INTERNATIONAL & INLAND Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?

    a. When at anchor, the pilot vessel is only required to sound anchor signals.
    b. The identification signal must be sounded any time the pilot vessel is underway.
    c. The pilot vessel may only sound the identity signal when making way.
    d. All of the above
4397: BOTH INTERNATIONAL & INLAND In a crossing situation, a vessel fishing must keep out of the way of a vessel which is __________.

    a. under sail
    b. towing
    c. restricted in her ability to maneuver
    d. engaged in pilotage duty
4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )

    a. is at anchor
    b. is not under command
    c. has a tow that exceeds 200 meters in length
    d. has a tow that is carrying dangerous cargo
4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )

    a. is at anchor
    b. is not under command
    c. has a tow that exceeds 200 meters in length
    d. has a tow that is carrying dangerous cargo
4399: BOTH INTERNATIONAL & INLAND Which vessel would display a cone, apex downward?

    a. A fishing vessel with outlying gear
    b. A vessel proceeding under sail and machinery
    c. A vessel engaged in diving operations
    d. A vessel being towed
4399: BOTH INTERNATIONAL & INLAND Which vessel would display a cone, apex downward?

    a. A fishing vessel with outlying gear
    b. A vessel proceeding under sail and machinery
    c. A vessel engaged in diving operations
    d. A vessel being towed
4400: BOTH INTERNATIONAL & INLAND When action to avoid a close quarters situation is taken, a course change alone may be the most effective action provided that __________.

    a. it is done in a succession of small course changes
    b. it is NOT done too early
    c. it is a large course change
    d. the course change is to starboard
4401: BOTH INTERNATIONAL & INLAND You are underway in heavy fog. You hear the fog signal of a vessel which is somewhere ahead of your vessel. You must __________.

    a. slow to moderate speed and navigate with caution
    b. maintain speed and sound the danger signal
    c. stop engines and navigate with caution
    d. slow to bare steerageway and navigate with caution
4402: BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.

    a. ball
    b. cone
    c. cylinder
    d. double cone, apexes together
4403: BOTH INTERNATIONAL & INLAND What day-shape must be shown by a vessel over 20 meters fishing which has gear extending more than 150 meters horizontally outward from it?

    a. One black ball
    b. One diamond shape
    c. One cone with its apex upwards
    d. One basket
4404: BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall, when making way, exhibit __________.

    a. the masthead lights for a towing vessel
    b. the lights for a vessel restricted in its ability to maneuver
    c. sidelights, stern light and towing light
    d. All of the above
4405: BOTH INTERNATIONAL & INLAND A vessel underway but not making way and fishing other than trawling will show which lights?

    a. A white light over a red light
    b. A red light over a white light
    c. A white light over a red light, sidelights, and a stern light
    d. A red light over a white light, sidelights, and a stern light
4406: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds three short blasts on the whistle. This signal means that vessel "A" __________. (DIAGRAM 42 )

    a. intends to hold course and speed
    b. is sounding the danger signal
    c. is backing engines
    d. proposes to cross ahead of the other vessel
4407: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?

    a. A bell signal
    b. A gong signal
    c. A whistle signal
    d. All of the above
4408: BOTH INTERNATIONAL & INLAND A fishing vessel displaying the lights shown is __________. (DIAGRAM 67 )

    a. anchored
    b. underway but not fishing
    c. tending a small fishing boat
    d. fishing by trawling
4409: BOTH INTERNATIONAL & INLAND A vessel or object being towed astern shall display a(n) __________.

    a. forward masthead light
    b. after masthead light
    c. stern light
    d. All of the above
4410: BOTH INTERNATIONAL & INLAND The rules state that vessels may depart from the requirements of the Rules when __________.

    a. there are no other vessels around
    b. operating in a narrow channel
    c. the Master enters it in the ship's log
    d. necessary to avoid immediate danger
4411: BOTH INTERNATIONAL & INLAND For the purpose of the Rules, except where otherwise required, the term __________.

    a. "vessel" includes seaplanes
    b. "seaplane" includes nondisplacement craft
    c. "vessel engaged in fishing" includes a vessel fishing with trolling lines
    d. "vessel restricted in her ability to maneuver" includes fishing vessels
4412: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 44 )

    a. towing
    b. conducting underwater survey operations
    c. drifting
    d. aground
4413: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a 75-meter power-driven vessel underway at night?

    a. She must exhibit an all-round white light at the stern.
    b. She must exhibit forward and after masthead lights.
    c. She must exhibit only a forward masthead light.
    d. She may exhibit a red light over a green light forward.
4414: BOTH INTERNATIONAL & INLAND Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid __________.

    a. crossing ahead of the other
    b. crossing astern of the other
    c. passing port to port
    d. passing starboard to starboard
4415: BOTH INTERNATIONAL & INLAND Which signal may be used by a vessel that is in doubt as to whether sufficient action is being taken by another vessel to avoid collision?

    a. A continuous sounding of the fog horn
    b. Firing a gun every minute
    c. Five or more short rapid blasts on the whistle
    d. One prolonged blast on the whistle
4416: BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also __________.

    a. must be displayed when day signals are being used
    b. must be displayed when moored to a pier
    c. may be extinguished at night on open waters when no other vessels are in the area
    d. may be displayed during daylight
4417: BOTH INTERNATIONAL & INLAND What describes a head-on situation?

    a. Seeing a vessel displaying both sidelights ONLY dead ahead
    b. Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead
    c. Seeing both sidelights of a vessel directly off your starboard beam
    d. Seeing both sidelights and masthead light(s) of a vessel dead ahead
4418: BOTH INTERNATIONAL & INLAND When two vessels are in immediate danger of collision, the stand-on vessel must __________.

    a. abandon ship
    b. assist in taking whatever action is necessary to avoid collision
    c. hold course and speed
    d. sound a distress signal
4419: BOTH INTERNATIONAL & INLAND A vessel 25 meters in length must have which sound signaling appliance onboard?

    a. None is required
    b. Whistle only
    c. Whistle and bell only
    d. Whistle, bell, and gong
4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.

    a. two black balls in a vertical line
    b. three black balls in a vertical line
    c. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond
    d. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond
4421: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.

    a. south (180°)
    b. east (090°)
    c. northeast (045°)
    d. west (270°)
4422: BOTH INTERNATIONAL & INLAND Each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way, is __________.

    a. about one second
    b. two to four seconds
    c. four to six seconds
    d. eight to ten seconds
4423: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?

    a. The vessel may be using nets, lines, or trawls.
    b. The vessel may be trolling.
    c. The vessel shows 2 lights in a vertical line, white over red.
    d. The vessel sounds the same fog signal as a vessel underway, making no way.
4424: BOTH INTERNATIONAL & INLAND The Rules state that risk of collision shall be deemed to exist __________.

    a. whenever two vessels approach from opposite directions
    b. if the bearing of an approaching vessel does not appreciably change
    c. whenever a vessel crosses ahead of the intended track of another vessel
    d. if one vessel approaches another so as to be overtaking
4425: BOTH INTERNATIONAL & INLAND A power-driven vessel exhibits the same lights as a __________.

    a. vessel towing, when not underway
    b. vessel towing astern
    c. sailing vessel
    d. pushing vessel and a vessel being pushed, when they are in a composite unit
4426: BOTH INTERNATIONAL & INLAND A power-driven vessel is underway in fog but stopped and making no way through the water. What is the required fog signal?

    a. One prolonged blast at not more than one-minute intervals
    b. Two prolonged blasts at not more than one-minute intervals
    c. One prolonged blast at not more than two-minute intervals
    d. Two prolonged blasts at not more than two-minute intervals
4427: BOTH INTERNATIONAL & INLAND A towing light, according to the Rules, is a __________.

    a. white light
    b. red light
    c. yellow light
    d. blue light
4428: BOTH INTERNATIONAL & INLAND Which signal shall a power-driven vessel sound when making way in fog?

    a. One short blast every two minutes
    b. One prolonged blast every two minutes
    c. One prolonged and two short blasts every two minutes
    d. Three short blasts every two minutes
4429: BOTH INTERNATIONAL & INLAND Two vessels are meeting head-on. How must the vessels pass?

    a. One vessel must alter course while the other must continue on its course.
    b. The vessels should determine which will alter course by sounding whistle signals.
    c. Both vessels should alter course to port and pass starboard to starboard.
    d. Both vessels should alter course to starboard and pass port to port.
4430: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a fog signal of one prolonged followed by two short blasts?

    a. A vessel engaged in dredging
    b. A sailing vessel
    c. A vessel being towed
    d. A vessel engaged in fishing
4431: BOTH INTERNATIONAL & INLAND A vessel 50 meters in length at anchor must sound which fog signal?

    a. 5-second ringing of a bell every minute
    b. 5-second ringing of a bell every two minutes
    c. 5-second sounding of a gong every minute
    d. 5-second sounding of both a bell and gong every two minutes
4432: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the lights shown is __________. (DIAGRAM 61 )

    a. fishing
    b. a pilot vessel at anchor
    c. a fishing vessel aground
    d. fishing and hauling her nets
4433: BOTH INTERNATIONAL & INLAND Which vessel is NOT to be regarded as "restricted in her ability to maneuver"?

    a. A vessel transferring provisions while underway
    b. A pushing vessel and a vessel being pushed when connected in a composite unit
    c. A vessel servicing a navigation mark
    d. A vessel launching aircraft
4433: BOTH INTERNATIONAL & INLAND Which vessel is NOT to be regarded as "restricted in her ability to maneuver"?

    a. A vessel transferring provisions while underway
    b. A pushing vessel and a vessel being pushed when connected in a composite unit
    c. A vessel servicing a navigation mark
    d. A vessel launching aircraft
4434: BOTH INTERNATIONAL & INLAND Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel?

    a. The power-driven vessel must keep out of the way of the sailing vessel.
    b. A "special circumstance" situation exists.
    c. The sailing vessel must keep out of the way of the power- driven vessel.
    d. The vessel which has the other vessel to the right must keep out of the way.
4435: BOTH INTERNATIONAL & INLAND Which procedure(s) shall be used to determine risk of collision?

    a. Watching the compass bearing of an approaching vessel
    b. Systematic observation of objects detected by radar
    c. Long-range radar scanning
    d. All of the above
4436: BOTH INTERNATIONAL & INLAND A white masthead light shows through an arc of how many degrees?

    a. 90°
    b. 112.5°
    c. 225°
    d. 360°
4437: BOTH INTERNATIONAL & INLAND What is the minimum length of an anchored vessel which is required to show a white light both forward and aft?

    a. 50 meters
    b. 100 meters
    c. 150 meters
    d. 200 meters
4438: BOTH INTERNATIONAL & INLAND You are at anchor in fog. The fog signal of a vessel underway has been steadily growing louder and the danger of collision appears to exist. In addition to your fog signal, what signal may be used to indicate the presence of your vessel?

    a. Three blasts on the whistle; one prolonged, one short, and one prolonged.
    b. Three blasts on the whistle; one short, one prolonged, and one short.
    c. Three blasts on the whistle; one prolonged followed by two short.
    d. No signal other than your fog signal may be used.
4439: BOTH INTERNATIONAL & INLAND Signals required for vessels aground include __________.

    a. by night, the anchor lights for a vessel of her length, and three red lights in a vertical line
    b. a short, a prolonged, and a short blast
    c. by day, three black balls in a vertical line
    d. All of the above
4440: BOTH INTERNATIONAL & INLAND Which craft would be considered a "power-driven vessel" under the Rules of the Road?

    a. An auxiliary sail vessel, using her engine
    b. A canoe being propelled by a small outboard motor
    c. A tug powered by a diesel engine
    d. All of the above
4441: BOTH INTERNATIONAL & INLAND At night, power-driven vessels less than 12 meters in length may, instead of the underway lights for vessels under 50 meters, show which lights?

    a. Sidelights and stern light
    b. One all-round white light and sidelights
    c. Masthead light only
    d. Stern light only
4442: BOTH INTERNATIONAL & INLAND Which vessel shall not impede the passage of a vessel which can only navigate inside a narrow channel?

    a. A vessel of less than 20 meters in length
    b. A vessel not under command
    c. A vessel engaged in surveying
    d. All of the above
4443: BOTH INTERNATIONAL & INLAND Which statement is TRUE in an overtaking situation?

    a. An overtaking situation exists when one vessel is approaching another vessel from anywhere abaft the beam.
    b. It is the duty of the vessel being overtaken to get out of the way.
    c. Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vessel.
    d. All of the above
4444: BOTH INTERNATIONAL & INLAND Which vessel must exhibit a conical shape, apex downwards?

    a. A 10-meter vessel engaged in fishing
    b. A 15-meter vessel proceeding under sail when also being propelled by machinery
    c. A 20-meter vessel restricted in her ability to maneuver
    d. All of the above
4445: BOTH INTERNATIONAL & INLAND Which vessel must show a towing light above the stern light?

    a. A vessel pushing three barges ahead
    b. A vessel towing alongside
    c. A vessel with a 150-meter tow astern
    d. None of the above
4446: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?

    a. A continuous sounding with any fog signal apparatus
    b. A signal sent by radiotelephone consisting of the spoken word "Mayday"
    c. An International Code Signal of N.C.
    d. The firing of green star rockets or shells
4447: BOTH INTERNATIONAL & INLAND A rigid replica of the International Code flag "A" may be shown by a vessel __________.

    a. pulling a submarine cable
    b. engaged in diving operations
    c. engaged in underway replenishment
    d. transferring explosives
4448: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and pushing ahead when vessel "B" is sighted off the starboard bow as shown. Which statement is TRUE? (DIAGRAM 5 )

    a. Vessel "A" is the stand-on vessel because it is to the port side of vessel "B".
    b. Vessel "A" is the stand-on vessel because it is pushing ahead.
    c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A".
    d. Neither vessel is the stand-on vessel.
4449: BOTH INTERNATIONAL & INLAND In a crossing situation, which vessel may sound the danger signal?

    a. Give-way vessel
    b. Stand-on vessel
    c. Either vessel
    d. Neither vessel
4451: BOTH INTERNATIONAL & INLAND Every vessel should at all times proceed at a "safe speed". "Safe speed" is defined as that speed where __________.

    a. you can stop within your visibility range
    b. you can take proper and effective action to avoid collision
    c. you are traveling slower than surrounding vessels
    d. no wake comes from your vessel
4452: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear three distinct bell strokes followed by five seconds of rapid bell ringing followed by three distinct bell strokes. This signal indicates a vessel __________.

    a. aground
    b. engaged in underwater construction
    c. at anchor
    d. in distress
4453: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing as shown. Which statement is TRUE? (DIAGRAM 30 )

    a. The vessels should pass starboard to starboard.
    b. Vessel "B" should pass astern of vessel "A".
    c. Vessel "B" should alter course to the right.
    d. Vessel "A" must keep clear of vessel "B".
4454: BOTH INTERNATIONAL & INLAND In a crossing situation, a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall, if possible, avoid __________.

    a. turning to port
    b. turning to starboard
    c. decreasing speed
    d. increasing speed
4455: BOTH INTERNATIONAL & INLAND Which vessel is "underway" within the meaning of the Rules?

    a. A vessel at anchor with the engine turning
    b. A vessel tied to an offshore mooring buoy
    c. A vessel aground with the engine turning
    d. A vessel drifting with the engine stopped
4456: BOTH INTERNATIONAL & INLAND What is the required fog signal for a manned vessel being towed at night?

    a. One prolonged followed by one short blast
    b. One prolonged followed by three short blasts
    c. One prolonged followed by two short blasts
    d. Two prolonged blasts
4457: BOTH INTERNATIONAL & INLAND If you anchor your 25-meter vessel in a harbor, what light(s) must you show?

    a. One all-round white light
    b. Two all-round white lights
    c. One all-round red light
    d. All the deck house lights
4458: BOTH INTERNATIONAL & INLAND You see the lights shown as illustrated on your port bow. You should __________. (DIAGRAM 50 )

    a. hold course and speed
    b. alter course to port
    c. stop engines
    d. sound the danger signal
4459: BOTH INTERNATIONAL & INLAND Three short blasts of the whistle means __________.

    a. "danger"
    b. "I am in distress"
    c. the vessel is not under command (broken down)
    d. "I am operating astern propulsion"
4460: BOTH INTERNATIONAL & INLAND Of the vessels listed, which must keep out of the way of all the others?

    a. A sailing vessel
    b. A vessel restricted in her ability to maneuver
    c. A vessel not under command
    d. A vessel engaged in fishing
4461: BOTH INTERNATIONAL & INLAND During the day, a vessel with a tow over 200 meters in length will show __________.

    a. a black ball
    b. a diamond shape
    c. two cones, apexes together
    d. one cone, apex upward
4462: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.

    a. vessel being towed
    b. fishing vessel trawling
    c. vessel at anchor warning of her location
    d. power-driven pilot vessel on station underway
4463: BOTH INTERNATIONAL & INLAND You are underway on vessel "B" approaching vessel "A", as shown. You are unable to see any sidelights on vessel "A". This is a(n) __________. (DIAGRAM 38 )

    a. meeting situation
    b. crossing situation
    c. overtaking situation
    d. special circumstances situation
4464: BOTH INTERNATIONAL & INLAND A vessel not under command, underway but not making way, would show __________.

    a. two all-round red lights in a vertical line
    b. sidelights
    c. a stern light
    d. All of the above
4465: BOTH INTERNATIONAL & INLAND Traffic separation schemes __________.

    a. provide routing and scheduling procedures to reduce shipping delays
    b. provide traffic patterns in congested areas, so that vessels can operate without having a separate lookout
    c. provide inbound and outbound lanes to promote the safe flow of vessel traffic
    d. prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive
4466: BOTH INTERNATIONAL & INLAND Which lights shall a 200-meter vessel exhibit when at anchor?

    a. In the forepart of the vessel, a 225-degree white light
    b. In the after part of the vessel, a 112.5-degree white light
    c. Working lights to illuminate the decks
    d. In the forepart of the vessel, a 112.5-degree white light
4467: BOTH INTERNATIONAL & INLAND Under the Rules, the term "vessel" includes __________.

    a. non-self-propelled raft
    b. seaplanes
    c. hovercrafts
    d. All of the above
4468: BOTH INTERNATIONAL & INLAND You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern, which is lower than the forward light. It could be a __________.

    a. survey vessel
    b. vessel not under command
    c. vessel aground
    d. pilot vessel with port side to you
4469: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal in fog if she is __________.

    a. aground
    b. at anchor
    c. not under command
    d. no longer on pilotage duty
4470: BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should __________.

    a. take avoiding action immediately upon determining that risk of collision exists
    b. immediately sound the danger signal, and change course
    c. take avoiding action only after giving the give-way vessel time to take action, and determining that her action is not appropriate
    d. hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avoid collision
4471: BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to deviate from their course shall, when making way, show __________.

    a. the masthead lights for a towing vessel
    b. the lights for a vessel restricted in its ability to maneuver
    c. sidelights, stern light and towing light
    d. All of the above
4472: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

    a. A seaplane must exhibit appropriate lights but need not exhibit shapes.
    b. A seaplane should show the lights for a vessel constrained by her draft.
    c. In situations where a risk of collision exists, a seaplane should always give way.
    d. A seaplane on the water shall, in general, keep well clear of all vessels.
4473: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.

    a. one sidelight
    b. one sidelight and a masthead light
    c. one sidelight and two masthead lights
    d. both sidelights of a vessel and her masthead light(s)
4474: BOTH INTERNATIONAL & INLAND In a crossing situation, the stand-on vessel should normally __________.

    a. take action to cross ahead of the other vessel
    b. take action to pass astern of the other vessel
    c. maintain course and speed
    d. change course and increase speed
4475: BOTH INTERNATIONAL & INLAND A self-propelled dredge not engaged in dredging but proceeding to a dredging location at night would __________.

    a. not be required to show any lights
    b. be required to show the lights characteristic of a dredge
    c. be required to show the lights of a stationary dredge
    d. be required to show the lights of a power-driven vessel underway
4476: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying one green light. This light could indicate a __________.

    a. vessel drifting
    b. vessel at anchor
    c. small motorboat underway
    d. sailboat underway
4477: BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.

    a. a close-quarters situation
    b. an overtaking situation
    c. immediate danger
    d. Any of the above
4478: BOTH INTERNATIONAL & INLAND Risk of collision exists when an approaching vessel has a(n) __________.

    a. generally steady bearing and decreasing range
    b. generally steady range and increasing bearing
    c. increasing range and bearing
    d. decreasing bearing only
4479: BOTH INTERNATIONAL & INLAND What signal indicates doubt that sufficient action is being taken by another vessel to avoid collision?

    a. Five short and rapid blasts of the whistle
    b. Three long blasts of the whistle
    c. Three short and rapid blasts of the whistle
    d. One prolonged blast followed by three short blasts of the whistle
4480: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.

    a. a small white light abaft the funnel
    b. three masthead lights in a vertical line instead of either the forward or after masthead lights
    c. two masthead lights in a vertical line instead of either the forward or after masthead lights
    d. two towing lights in a vertical line at the stern
4481: BOTH INTERNATIONAL & INLAND While underway in fog, you hear the rapid ringing of a bell for about five seconds followed by the sounding of a gong for about five seconds. This signal came from a __________.

    a. vessel engaged in fishing at anchor
    b. sailing vessel at anchor
    c. vessel 150 meters in length at anchor
    d. vessel aground
4482: BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and you are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating his intention to pass your vessel on your starboard side. If such an action appears dangerous you should sound __________.

    a. five short and rapid blasts
    b. three short and rapid blasts
    c. one prolonged followed by one short blast
    d. one prolonged, one short, one prolonged, and one short blast in that order
4483: BOTH INTERNATIONAL & INLAND A vessel restricted in her ability to maneuver shall __________.

    a. turn off her sidelights when not making way
    b. when operating in restricted visibility, sound a whistle signal of two prolonged and one short blast
    c. show a day-shape of two diamonds in a vertical line
    d. keep out of the way of a vessel engaged in fishing
4484: BOTH INTERNATIONAL & INLAND A power-driven vessel at anchor, not fishing or otherwise restricted in its ability to maneuver, sounds her fog signal at intervals of not __________.

    a. more than one minute
    b. more than two minutes
    c. more than three minutes
    d. less than two minutes
4485: BOTH INTERNATIONAL & INLAND You are underway in reduced visibility. You hear the fog signal of another vessel about 20° on your starboard bow. Risk of collision may exist. You should __________.

    a. alter course to starboard to pass around the other vessel
    b. reduce your speed to bare steerageway
    c. slow your engines and let the other vessel pass ahead of you
    d. alter course to port to pass the other vessel on its portside
4486: BOTH INTERNATIONAL & INLAND What day-shape would a vessel at anchor show during daylight?

    a. One black ball
    b. Two black balls
    c. Three black balls
    d. No signal
4487: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape shown is __________. (DIAGRAM 34 )

    a. towing
    b. fishing
    c. anchored
    d. being towed
4488: BOTH INTERNATIONAL & INLAND You are approaching a bend in a channel. You cannot see around the bend because of the height of the bank. You should __________.

    a. stop engines and navigate with caution
    b. stay in the middle of the channel
    c. sound passing signals to any other vessel that may be on the other side of the bend
    d. sound a whistle blast of 4 to 6 seconds duration
4489: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel of 150 meters in length, at anchor?

    a. She may show an all-round white light where it can best be seen.
    b. She must show all-round white lights forward and aft.
    c. The showing of working lights is optional.
    d. None of the above
4490: BOTH INTERNATIONAL & INLAND Which vessel would be required to show a white light from a lantern exhibited in sufficient time to prevent collision?

    a. A 9-meter sailing vessel
    b. A rowboat
    c. A 6-meter motorboat
    d. A small vessel fishing
4491: BOTH INTERNATIONAL & INLAND Barges being towed at night __________.

    a. must be lighted at all times
    b. must be lighted only if manned
    c. must be lighted only if towed astern
    d. need not be lighted
4492: BOTH INTERNATIONAL & INLAND You sight another power-driven vessel dead-ahead showing both the red and green sidelights. The required action to take would be to __________.

    a. carefully watch his compass bearing
    b. start a radar plot in order to ascertain his course
    c. alter your course to port
    d. alter your course to starboard
4493: BOTH INTERNATIONAL & INLAND You are underway in fog and hear one short, one prolonged, and one short blast in succession. What is the meaning of this signal?

    a. A vessel is in distress and needs assistance.
    b. A vessel is fishing, hauling nets.
    c. A vessel is at anchor, warning of her position.
    d. A vessel is towing.
4494: BOTH INTERNATIONAL & INLAND An anchored vessel on pilotage duty must show which light(s) at night?

    a. A stern light only
    b. Anchor lights only
    c. A white light over a red light only
    d. A white light over a red light and anchor lights
4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is required to show sidelights and a stern light only when __________.

    a. anchored
    b. underway
    c. dead in the water
    d. underway and making way
4497: BOTH INTERNATIONAL & INLAND What is a requirement for any action taken to avoid collision?

    a. When in sight of another vessel, any action taken must be accompanied by sound signals.
    b. The action taken must include changing the speed of the vessel.
    c. The action must be positive and made in ample time.
    d. All of the above
4498: BOTH INTERNATIONAL & INLAND In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows __________.

    a. a basket
    b. a black ball
    c. a black cone
    d. two black cones
4499: BOTH INTERNATIONAL & INLAND At night, the lights shown would indicate a vessel __________. (DIAGRAM 76 )

    a. trawling
    b. laying submarine cable
    c. towing astern
    d. dredging
4500: BOTH INTERNATIONAL & INLAND Your power-driven vessel is stopped and making no way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?

    a. The other vessel must give way since your vessel is stopped.
    b. Your vessel is the give-way vessel in a crossing situation.
    c. You should be showing the lights or shapes for a vessel not under command.
    d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver.
4501: BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?

    a. Amber (yellow)
    b. White
    c. Blue
    d. Red
4502: INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.

    a. trolling
    b. fishing in a traffic separation zone
    c. in a narrow channel
    d. in close proximity to other vessels engaged in fishing
4503: BOTH INTERNATIONAL & INLAND Which vessel must show a masthead light abaft of and higher than her identifying lights?

    a. A 55-meter vessel fishing
    b. A 55-meter vessel trawling
    c. A 100-meter vessel not under command
    d. A 20-meter vessel engaged on pilotage duty
4504: BOTH INTERNATIONAL & INLAND While underway in a narrow channel, a vessel should stay __________.

    a. in the middle of the channel
    b. to the starboard side of the channel
    c. to the port side of the channel
    d. to the side of the channel that has the widest bends
4505: BOTH INTERNATIONAL & INLAND Vessels of less than what length may not impede the passage of other vessels which can safely navigate only within a narrow channel or fairway?

    a. 10 meters
    b. 20 meters
    c. 30 meters
    d. 40 meters
4506: BOTH INTERNATIONAL & INLAND A lantern combining the sidelights and stern light MAY be shown on a __________.

    a. sailing vessel of 25 meters in length
    b. 20-meter vessel engaged in fishing and making way
    c. 25-meter power-driven vessel engaged in trolling
    d. 6-meter vessel under oars
4507: BOTH INTERNATIONAL & INLAND The lights required by the Rules must be shown __________.

    a. from sunrise to sunset in restricted visibility
    b. at all times
    c. ONLY from sunset to sunrise
    d. whenever a look-out is posted
4508: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in a combined lantern on the mast?

    a. An 18-meter sailing vessel
    b. A 10-meter sailing vessel also being propelled by machinery
    c. A 25-meter sailing vessel
    d. All of the above
4509: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be hidden by an obstruction shall __________.

    a. sound the danger signal
    b. sound a prolonged blast
    c. take all way off
    d. post a look-out
4510: BOTH INTERNATIONAL & INLAND You are approaching a vessel dredging during the day and see two balls in a vertical line on the port side of the dredge. These shapes mean that __________.

    a. you should pass on the port side of the dredge
    b. there is an obstruction on the port side of the dredge
    c. the dredge is not under command
    d. the dredge is moored
4511: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used to accompany whistle signals?

    a. It is mandatory to use such a light.
    b. The light shall have the same characteristics as a masthead light.
    c. It is used to supplement short blasts of the whistle.
    d. All of the above
4512: BOTH INTERNATIONAL & INLAND Which vessel must sound her fog signal at intervals not to exceed one minute?

    a. A power-driven vessel underway, not making way
    b. A vessel constrained by her draft
    c. A vessel engaged in fishing, at anchor
    d. A vessel aground
4513: BOTH INTERNATIONAL & INLAND By day, you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls, and the middle shape is a diamond. It could be a __________.

    a. vessel trolling
    b. mineclearing vessel
    c. trawler
    d. vessel engaged in replenishment at sea
4514: BOTH INTERNATIONAL & INLAND You are heading due east (090°) and observe a vessel's red sidelight on your port beam. The vessel may be heading __________.

    a. northwest (315°)
    b. north (000°)
    c. southeast (135°)
    d. southwest (225°)
4516: BOTH INTERNATIONAL & INLAND Which vessel is, by definition, unable to keep out of the way of another vessel?

    a. Vessel engaged in fishing
    b. Vessel restricted in her ability to maneuver
    c. Sailing vessel
    d. Vessel towing
4517: BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway?

    a. A 200-meter sailing vessel
    b. A 50-meter power-driven vessel
    c. A 100-meter vessel engaged in fishing
    d. All of the above
4518: BOTH INTERNATIONAL & INLAND As defined in the Rules, a towing light is a yellow light having the same characteristics as a(n) __________.

    a. masthead light
    b. all-round light
    c. sidelight
    d. stern light
4519: BOTH INTERNATIONAL & INLAND A vessel underway and making way in fog shall sound every two minutes __________.

    a. one prolonged blast
    b. two prolonged blasts
    c. one prolonged blast and three short blasts
    d. three distinct blasts
4520: BOTH INTERNATIONAL & INLAND When anchoring a 20-meter vessel at night, you must show __________.

    a. one all-round white light
    b. two all-round white lights
    c. one all-round white light and the stern light
    d. one all-round white light and a flare up light
4521: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, all of the following are engaged in fishing EXCEPT a vessel __________.

    a. setting nets
    b. trawling
    c. using a dredge net
    d. trolling
4522: BOTH INTERNATIONAL & INLAND When a vessel sounds three short blasts on the whistle, this indicates that __________.

    a. danger is ahead
    b. her engines are going astern
    c. the vessel is not under command (broken down)
    d. all other vessels should stand clear
4523: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she approaches another from more than how many degrees abaft the beam?

    a. 0.0°
    b. 11.25°
    c. 22.5°
    d. 45.0°
4524: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?

    a. Whistle only
    b. Bell only
    c. Whistle and bell only
    d. Whistle, bell, and gong
4525: BOTH INTERNATIONAL & INLAND Sailing vessels are stand-on over power-driven vessels except __________.

    a. in a crossing situation
    b. in a meeting situation
    c. when they are the overtaking vessel
    d. on the inland waters of the U.S.
4526: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?

    a. Risk of collision never exists if the compass bearing of the other vessel is changing.
    b. Proper use shall be made of radar equipment to determine risk of collision.
    c. Risk of collision must be determined before any action can be taken by a vessel.
    d. Risk of collision exists if the vessels will pass within half a mile of each other.
4527: BOTH INTERNATIONAL & INLAND You are fishing at night, and you sight a vessel showing three lights in a vertical line. The upper and lower lights are red and the middle light is white. Which statement is TRUE?

    a. You must keep out of the way of the other vessel.
    b. The other vessel is responsible to keep out of your way.
    c. The other vessel is at anchor.
    d. The rule of special circumstances applies.
4528: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?

    a. A vessel not under command
    b. A sailing vessel, underway
    c. A vessel restricted in her ability to maneuver when carrying out her work at anchor
    d. All of the above
4529: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.

    a. do not interfere with the keeping of a proper look-out
    b. are not the color of either sidelight
    c. have a lesser range than the prescribed lights
    d. All of the above
4530: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a partly submerged vessel being towed?

    a. It must show a yellow light at each end.
    b. It will show red lights along its length.
    c. A diamond shape will be carried at the aftermost extremity of the tow.
    d. All of the above
4531: BOTH INTERNATIONAL & INLAND Your vessel enters fog. You stop your engines, and the vessel is dead in the water. Which fog signal should you sound?

    a. One prolonged blast every two minutes
    b. Two prolonged blasts every two minutes
    c. Three short blasts every two minutes
    d. One prolonged and two short blasts every two minutes
4532: BOTH INTERNATIONAL & INLAND The term "power-driven vessel" refers to any vessel __________.

    a. with propelling machinery onboard whether in use or not
    b. making way against the current
    c. with propelling machinery in use
    d. traveling at a speed greater than that of the current
4533: BOTH INTERNATIONAL & INLAND In which situation do the Rules require both vessels to change course?

    a. Two power-driven vessels meeting head-on
    b. Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action
    c. Two sailing vessels crossing with the wind on the same side
    d. All of the above
4534: BOTH INTERNATIONAL & INLAND A vessel towing where the tow prevents her from changing course shall carry __________.

    a. only the lights for a vessel towing
    b. only the lights for a vessel restricted in her ability to maneuver
    c. the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver
    d. the lights for a towing vessel and the lights for a vessel not under command
4535: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?

    a. May be sounded by the stand-on vessel only
    b. Indicates that the vessel is in distress
    c. Is used to indicate a course change
    d. May be supplemented by an appropriate light signal
4536: BOTH INTERNATIONAL & INLAND If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell whether the other vessel has the wind on the port or starboard side, she shall __________.

    a. hold course and speed
    b. sound the danger signal
    c. keep out of the way of the other vessel
    d. turn to port and come into the wind
4537: BOTH INTERNATIONAL & INLAND Vessel "A" is on course 000°T. Vessel "B" is on a course such that she is involved in a head-on situation and is bearing 355°T, 2 miles away from vessel "A". To ensure a safe passing, vessel "A" should __________.

    a. maintain course
    b. alter course to port
    c. alter course to ensure a starboard to starboard passing
    d. maneuver to ensure a port to port passing
4537: BOTH INTERNATIONAL & INLAND Vessel "A" is on course 000°T. Vessel "B" is on a course such that she is involved in a head-on situation and is bearing 355°T, 2 miles away from vessel "A". To ensure a safe passing, vessel "A" should __________.

    a. maintain course
    b. alter course to port
    c. alter course to ensure a starboard to starboard passing
    d. maneuver to ensure a port to port passing
4538: BOTH INTERNATIONAL & INLAND What is a vessel "restricted in her ability to maneuver"?

    a. A vessel not under command
    b. A vessel constrained by her draft
    c. A vessel underway in fog
    d. A vessel towing unable to deviate from her course
4539: BOTH INTERNATIONAL & INLAND All of the following are distress signals under the Rules EXCEPT __________.

    a. a green star signal
    b. orange-colored smoke
    c. red flares
    d. the repeated raising and lowering of outstretched arms
4540: BOTH INTERNATIONAL & INLAND The lights shown are those of a __________. (DIAGRAM 58 )

    a. vessel being towed
    b. power-driven vessel of less than 50 meters in length
    c. fishing vessel at anchor
    d. sailboat
4541: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.

    a. there are no other vessels around
    b. operating in a narrow channel
    c. the Master enters it in the ship's log
    d. necessary to avoid immediate danger
4542: BOTH INTERNATIONAL & INLAND A vessel is towing and carrying the required lights on the masthead. What is the visibility arc of these lights?

    a. 112.5°
    b. 135.0°
    c. 225.0°
    d. 360.0°
4543: BOTH INTERNATIONAL & INLAND Which situation would be a "special circumstance" under the Rules?

    a. Vessel at anchor
    b. More than two vessels meeting
    c. Speed in fog
    d. Two vessels crossing
4544: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant and is presently on your starboard bow. You believe she will cross ahead of you. She then sounds a whistle signal of five short blasts. You should __________.

    a. answer the signal and hold course and speed
    b. reduce speed slightly to make sure she will have room to pass
    c. make a large course change, accompanied by the appropriate whistle signal, and slow down if necessary
    d. wait for another whistle signal from the other vessel
4545: BOTH INTERNATIONAL & INLAND You are approaching another vessel and are not sure whether danger of collision exists. You must assume __________.

    a. there is risk of collision
    b. you are the give way vessel
    c. the other vessel is also in doubt
    d. All of the above are correct.
4546: BOTH INTERNATIONAL & INLAND Which vessel may use the danger signal?

    a. The vessel to starboard when two power-driven vessels are crossing
    b. A vessel engaged in fishing, crossing the course of a sailing vessel
    c. Either of two power-driven vessels meeting head-on
    d. All of the above
4547: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?

    a. A bell only
    b. A whistle only
    c. A bell and a whistle
    d. Any means of making an efficient sound signal
4548: BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for sound signals?

    a. A vessel of less than 12 meters in length need not have any sound signaling equipment.
    b. Any vessel over 12 meters in length must be provided with a gong.
    c. Manual sounding of the bell and gong must always be possible.
    d. Automatic sounding of the signals is not permitted.
4549: BOTH INTERNATIONAL & INLAND Two sailing vessels are approaching each other as shown. Which statement is correct? (DIAGRAM 3 )

    a. Vessel "I" should stand on because she has the wind on her port side.
    b. Vessel "II" should stand on because she has the wind on her starboard side.
    c. Neither vessel is the stand-on vessel because they are meeting head-on.
    d. Vessel "I" should stand on because she is close-hauled.
4550: BOTH INTERNATIONAL & INLAND Which statement concerning an overtaking situation is correct?

    a. The overtaking vessel is the stand-on vessel.
    b. Neither vessel is the stand-on vessel.
    c. The overtaking vessel must maintain course and speed.
    d. The overtaking vessel must keep out of the way of the other.
4551: BOTH INTERNATIONAL & INLAND The Rules state that a vessel overtaking another vessel is relieved of her duty to keep clear when __________.

    a. she is forward of the other vessel's beam
    b. the overtaking situation becomes a crossing situation
    c. she is past and clear of the other vessel
    d. the other vessel is no longer in sight
4552: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?

    a. All fog signals for sailing vessels are to be given at intervals of not more than one minute.
    b. A vessel not under command sounds the same fog signal as a vessel towed.
    c. A pilot vessel underway and making way sounds the pilot identity signal and no other signal.
    d. A vessel aground may sound a whistle signal.
4553: BOTH INTERNATIONAL & INLAND Which day-shape would a vessel aground show during daylight?

    a. One black ball
    b. Two black balls
    c. Three black balls
    d. Four black balls
4554: BOTH INTERNATIONAL & INLAND Which vessel must have a gong, or other equipment which will make the sound of a gong?

    a. A sailing vessel
    b. Any vessel over 50 meters
    c. Any vessel over 100 meters
    d. A power-driven vessel over 75 meters
4555: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing. Which statement is TRUE?

    a. The fishing vessel is directed not to impede the passage of the sailing vessel.
    b. The sailing vessel must keep out of the way of the fishing vessel.
    c. Each vessel should move to the edge of the channel on her port side.
    d. Each vessel should be displaying signals for a vessel constrained by her draft.
4556: BOTH INTERNATIONAL & INLAND Day-shapes MUST be shown __________.

    a. during daylight hours
    b. during daylight hours except in restricted visibility
    c. ONLY between 8 AM and 4 PM daily
    d. between sunset and sunrise
4557: BOTH INTERNATIONAL & INLAND Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?

    a. Both vessels must be power-driven.
    b. They must be meeting on reciprocal or nearly reciprocal courses.
    c. The situation must involve risk of collision.
    d. All of the above
4558: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?

    a. 22.5°
    b. 67.5°
    c. 112.5°
    d. 135.0°
4559: BOTH INTERNATIONAL & INLAND A vessel aground at night is required to show two red lights in a vertical line as well as __________.

    a. not under command lights
    b. restricted in her ability to maneuver lights
    c. anchor lights
    d. sidelights and a stern light
4560: BOTH INTERNATIONAL & INLAND When towing more than one barge astern at night __________.

    a. only the last barge on the tow must be lighted
    b. only the first and the last barges in the tow must be lighted
    c. each barge in the tow must be lighted
    d. only manned barges must be lighted
4561: BOTH INTERNATIONAL & INLAND Your vessel is aground in fog. In addition to the regular anchor signals, you will be sounding __________.

    a. three strokes of the gong before and after the rapid ringing of the gong
    b. a blast on the whistle
    c. three strokes of the bell before and after the rapid ringing of the bell
    d. no additional signals
4562: BOTH INTERNATIONAL & INLAND In a crossing situation, the vessel which has the other on her own starboard side shall __________.

    a. if the circumstances of the case admit, avoid crossing ahead of the other
    b. change course to port to keep out of the way
    c. reduce her speed
    d. All of the above
4563: BOTH INTERNATIONAL & INLAND You are on vessel "A" in DIAGRAM 32, and hear vessel "B" sound a signal indicating her intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________.

    a. sound five or more short rapid blasts
    b. sound two short blasts
    c. not answer the whistle signal from vessel "B"
    d. sound three blasts of the whistle
4564: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?

    a. A sailing vessel
    b. A vessel restricted in her ability to maneuver
    c. A vessel constrained by her draft
    d. A vessel not under command
4565: BOTH INTERNATIONAL & INLAND You are approaching a bend in a river where, due to the bank, you cannot see around the other side. A vessel on the other side of the bend sounds one prolonged blast. You should __________.

    a. sound passing signals
    b. not sound any signal until you sight the other vessel
    c. sound a prolonged blast
    d. sound the danger signal
4567: BOTH INTERNATIONAL & INLAND As shown, vessel "A", which is pushing ahead, and vessel "B" are crossing. Which is the stand-on vessel? (DIAGRAM 5 )

    a. Vessel "A" is the stand-on vessel because she is to port of vessel "B".
    b. Vessel "A" is the stand-on vessel because she is pushing ahead.
    c. Vessel "B" is the stand-on vessel because she is to starboard of vessel "A".
    d. Neither vessel is the stand-on vessel in this situation.
4568: BOTH INTERNATIONAL & INLAND Which vessel is "underway" according to the Rules?

    a. A vessel made fast to a single point mooring buoy
    b. A purse seiner hauling her nets
    c. A pilot vessel at anchor
    d. A vessel which has run aground
4569: BOTH INTERNATIONAL & INLAND When two power-driven vessels are crossing, the vessel which has the other to starboard must keep out of the way if __________.

    a. she is the faster vessel
    b. the situation involves risk of collision
    c. the vessels will pass within half a mile of each other
    d. whistle signals have been sounded
4570: BOTH INTERNATIONAL & INLAND Which signal may at some time be exhibited by a vessel trawling?

    a. Two white lights in a vertical line
    b. A white light over a red light in a vertical line
    c. Two red lights in a vertical line
    d. All of the above
4571: BOTH INTERNATIONAL & INLAND Risk of collision is considered to exist if __________.

    a. four vessels are nearby
    b. a vessel has a steady bearing at a constant range
    c. there is any doubt that a risk of collision exists
    d. a special circumstance situation is apparent
4572: BOTH INTERNATIONAL & INLAND You are underway in low visibility and sounding fog signals. What changes would you make in the fog signal immediately upon losing propulsion?

    a. Begin sounding two prolonged blasts at two-minute intervals.
    b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals.
    c. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals.
    d. No change should be made in the fog signal.
4573: BOTH INTERNATIONAL & INLAND A power-driven vessel shows the same lights as a __________.

    a. vessel engaged in towing, when not underway
    b. vessel towing astern
    c. sailing vessel
    d. pushing vessel and a vessel being pushed, when they are rigidly connected in a composite unit
4574: BOTH INTERNATIONAL & INLAND Which vessel shall NOT show her sidelights?

    a. A fishing vessel that is not making way
    b. A sailing vessel which is becalmed
    c. A vessel engaged in underwater operations
    d. A vessel that is not under command making way
4575: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she can see which light(s) of a vessel ahead?

    a. Only the stern light of the vessel
    b. One sidelight and a masthead light of the vessel
    c. Only a sidelight of the vessel
    d. The masthead lights of the vessel
4577: BOTH INTERNATIONAL & INLAND Which statement about the Navigation Rules is TRUE?

    a. The rules require vessels to comply with Traffic Separation Scheme regulations.
    b. The rules use the term "safe speed."
    c. The Rules permit a stand-on vessel to take action prior to being in extremis.
    d. All of the above are correct.
4578: BOTH INTERNATIONAL & INLAND A "short blast" on the whistle has a duration of __________.

    a. 1 second
    b. 4 to 6 seconds
    c. 8 to 12 seconds
    d. 12 to 15 seconds
4579: BOTH INTERNATIONAL & INLAND As defined in the Rules, the term "vessel" includes __________.

    a. seaplanes
    b. nondisplacement craft
    c. barges
    d. All of the above
4580: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown. This could be a __________. (DIAGRAM 45 )

    a. pilot vessel less than 50 meters, underway and NOT engaged on pilotage duty
    b. vessel engaged in fishing
    c. vessel aground less than 50 meters
    d. vessel engaged in dredging at anchor with an obstruction on one side
4581: BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to __________.

    a. avoid collision
    b. allow more time to assess the situation
    c. be stopped in an appropriate distance
    d. All of the above
4582: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )

    a. pushing ahead
    b. underway
    c. towing a submerged object
    d. engaged in dredging
4583: BOTH INTERNATIONAL & INLAND An anchor ball need NOT be exhibited by an anchored vessel if she is __________.

    a. under 50 meters in length, and anchored in an anchorage
    b. over 150 meters in length
    c. rigged for sail
    d. less than 7 meters in length, and not in or near an area where other vessels normally navigate
4584: INTERNATIONAL AND INLAND A vessel that is not equipped with towing lights should show that it has a vessel in tow by_________________.

    a. continuously sounding its horn
    b. sounding one prolonged followed by two short blasts at intervals of not more than two minutes
    c. shining a searchlight on the towline of the towed vessel
    d. None of the above; a vessel shall not engage in towing at night without proper navigation lights
4585: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. What lights would you expect to see?

    a. Red and green sidelights
    b. Two white lights
    c. One white light and red and green sidelights
    d. One white light
4586: BOTH INTERNATIONAL & INLAND What describes a head-on situation?

    a. Seeing one red light of a vessel directly ahead
    b. Seeing two forward white towing lights in a vertical line on a towing vessel directly ahead
    c. Seeing both sidelights of a vessel directly off your starboard beam
    d. Seeing both sidelights of a vessel directly ahead
4587: BOTH INTERNATIONAL & INLAND A vessel anchored in fog may warn an approaching vessel by sounding __________.

    a. the whistle continuously
    b. one short, one prolonged, and one short blast of the whistle
    c. five or more short and rapid blasts of the whistle
    d. three distinct strokes on the bell before and after sounding the anchor signal
4588: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.

    a. sound two blasts and change course to the left
    b. sound whistle signals only if you change course
    c. sound only fog signals until the other vessel is sighted
    d. not sound any whistle signals until the other vessel is sighted
4589: BOTH INTERNATIONAL & INLAND You are operating in restricted visibility and hear a signal of a rapidly ringing bell followed by the rapid sounding of a gong. It could be a __________.

    a. 30-meter sail vessel at anchor
    b. 150-meter power-driven vessel aground
    c. vessel in distress
    d. 300-meter power-driven vessel at anchor
4590: BOTH INTERNATIONAL & INLAND A vessel being towed, if manned, shall sound a fog signal of __________.

    a. two short blasts
    b. three short blasts
    c. one prolonged and two short blasts
    d. one prolonged and three short blasts
4591: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.

    a. only anchor in the separation zone
    b. cross a traffic lane at as small an angle as possible
    c. avoid anchoring in areas near the termination of the scheme
    d. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed
4592: BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.

    a. only at night
    b. only during restricted visibility
    c. at night and during restricted visibility
    d. at all times
4593: BOTH INTERNATIONAL & INLAND Risk of collision may be deemed to exist __________.

    a. if the compass bearing of an approaching vessel does NOT appreciably change
    b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
    c. if you observe both sidelights of a vessel ahead for an extended period of time
    d. All of the above
4594: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include __________.

    a. state of wind, sea, and current, and the proximity of navigational hazards
    b. maximum attainable speed of your vessel
    c. temperature
    d. aids to navigation that are available
4595: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, would NOT be required to show anchor lights?

    a. A power-driven vessel
    b. A vessel on pilotage duty
    c. A vessel dredging
    d. A vessel restricted in her ability to maneuver
4596: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape is __________. (DIAGRAM 13 )

    a. fishing
    b. towing
    c. being towed
    d. anchored
4597: BOTH INTERNATIONAL & INLAND A vessel not under command shall display __________.

    a. two red lights at night and two black balls during daylight
    b. two red lights at night and three black balls during daylight
    c. three red lights at night and two black balls during daylight
    d. three red lights at night and three black balls during daylight
4598: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.

    a. one prolonged and two short blasts at two-minute intervals
    b. one prolonged and three short blasts at two-minute intervals
    c. a rapid ringing of the bell for five seconds at one-minute intervals
    d. a sounding of the bell and gong at one-minute intervals
4599: BOTH INTERNATIONAL & INLAND Underway at night you see the red sidelight of a vessel well off your port bow. Which statement is TRUE?

    a. You are required to alter course to the right.
    b. You must stop engines.
    c. You are on a collision course with the other vessel.
    d. You may maintain course and speed.
4600: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?

    a. A vessel engaged in fishing, at anchor
    b. A vessel restricted in its ability to maneuver, at anchor
    c. A sailing vessel, at anchor
    d. A sailing vessel becalmed
4601: BOTH INTERNATIONAL & INLAND A vessel towing a barge astern would show, at the stern __________.

    a. only a stern light
    b. a towing light above the stern light
    c. two towing lights in a vertical line
    d. two white lights in a vertical line
4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.

    a. vessel being towed
    b. fishing vessel engaged in trawling
    c. vessel at anchor warning of her location
    d. power-driven pilot vessel on station underway
4603: BOTH INTERNATIONAL & INLAND In addition to sidelights what light should a vessel being towed astern show?

    a. A stern light
    b. A masthead light
    c. Not under command lights
    d. Range lights
4604: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal if she is __________.

    a. aground
    b. at anchor
    c. not under command
    d. being towed
4605: BOTH INTERNATIONAL & INLAND When two power-driven vessels are meeting head-on and there is a risk of collision, each shall __________.

    a. stop her engines
    b. alter course to starboard
    c. sound the danger signal
    d. back down
4606: BOTH INTERNATIONAL & INLAND A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?

    a. a diamond shape
    b. two cones, apexes together
    c. a black ball
    d. one cone, apex upward
4607: BOTH INTERNATIONAL & INLAND What is the minimum length of vessels required to show two anchor lights?

    a. 40 meters
    b. 50 meters
    c. 60 meters
    d. 70 meters
4608: BOTH INTERNATIONAL & INLAND A vessel showing a rigid replica of the International Code flag "A" is engaged in __________.

    a. diving operations
    b. dredging
    c. fishing
    d. mineclearance operations
4609: BOTH INTERNATIONAL & INLAND In determining "safe speed", all of the following must be taken into account EXCEPT the __________.

    a. maximum horsepower of your vessel
    b. presence of background lights at night
    c. draft of your vessel
    d. maneuverability of your vessel
4610: BOTH INTERNATIONAL & INLAND You are aboard the give-way vessel in a crossing situation. What should you NOT do in obeying the Rules?

    a. Cross ahead of the stand-on vessel
    b. Make a large course change to starboard
    c. Slow your vessel
    d. Back your vessel
4611: BOTH INTERNATIONAL & INLAND A vessel, which does not normally engage in towing operations, is towing a vessel in distress. She __________.

    a. need not show the lights for a vessel engaged in towing, if it is impractical to do so
    b. may show the lights for a vessel not under command
    c. must show a yellow light above the stern light
    d. must show the lights for a vessel towing
4612: BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.

    a. vessel laying cable
    b. vessel towing a submerged object
    c. vessel not under command
    d. air cushion vessel
4613: BOTH INTERNATIONAL & INLAND Working lights shall be used to illuminate the decks of a vessel __________.

    a. over 100 meters at anchor
    b. not under command
    c. constrained by her draft
    d. Any of the above
4614: BOTH INTERNATIONAL & INLAND Which vessel may show identifying lights when not actually engaged in her occupation?

    a. A fishing vessel
    b. A pilot vessel
    c. A mineclearance vessel
    d. None of the above
4615: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal if she is __________.

    a. underway, but not making way
    b. aground
    c. being towed
    d. not engaged in pilotage duty
4616: BOTH INTERNATIONAL & INLAND If your vessel is the stand-on vessel in a crossing situation __________.

    a. you must keep your course and speed
    b. you may change course and speed as the other vessel must keep clear
    c. the other vessel must keep her course and speed
    d. both vessels must keep their course and speed
4617: BOTH INTERNATIONAL & INLAND A vessel proceeding along a narrow channel shall __________.

    a. avoid crossing the channel at right angles
    b. not overtake any vessels within the channel
    c. keep as near as safe and practicable to the limit of the channel on her starboard side
    d. when nearing a bend in the channel, sound a long blast of the whistle
4618: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

    a. A vessel towing astern
    b. A vessel trawling
    c. A vessel not under command
    d. A vessel engaged in dredging operations
4619: BOTH INTERNATIONAL & INLAND Which vessel is NOT to impede the passage of a vessel which can only navigate safely within a narrow channel?

    a. Any vessel less than 20 meters in length
    b. Any sailing vessel
    c. A vessel engaged in fishing
    d. All of the above
4620: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The second vessel of the tow should sound __________.

    a. no fog signal
    b. one short blast
    c. one prolonged and three short blasts
    d. one prolonged and two short blasts
4621: BOTH INTERNATIONAL & INLAND The steering and sailing rules for vessels in restricted visibility apply to vessels __________.

    a. in sight of one another in fog
    b. navigating in or near an area of restricted visibility
    c. only if they are showing special purpose lights
    d. only if they have operational radar
4622: BOTH INTERNATIONAL & INLAND The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within __________.

    a. the distance of visibility
    b. 1/2 the distance of visibility
    c. a distance appropriate to the existing circumstances and conditions
    d. the distance that it would require for the propeller to go from full ahead to full astern
4623: BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights?

    a. 1
    b. 2
    c. 3
    d. 4
4624: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )

    a. towing a barge alongside
    b. underway and laying cable
    c. at anchor and dredging
    d. underway and carrying dangerous cargo
4625: BOTH INTERNATIONAL & INLAND What must be TRUE in order for a stand-on vessel to take action to avoid collision by her maneuver alone?

    a. She must be in sight of the give-way vessel.
    b. There must be risk of collision.
    c. She must determine that the give-way vessel is not taking appropriate action.
    d. All of the above
4626: BOTH INTERNATIONAL & INLAND A vessel being towed astern, where the length of the tow exceeds 200 meters, will exhibit __________.

    a. two balls in a vertical line
    b. a diamond shape where it can best be seen
    c. a ball on each end of the tow
    d. no day-shape
4627: BOTH INTERNATIONAL & INLAND While underway you sight a vessel displaying the day-shapes shown. You should __________. (DIAGRAM 6 )

    a. contact the vessel on VHF radiotelephone
    b. provide assistance, the other vessel is in distress
    c. stay clear, the other vessel cannot get out of the way
    d. stop your vessel and sound passing signals
4628: BOTH INTERNATIONAL & INLAND A sailing vessel displaying the day-shape shown is indicating that she is __________. (DIAGRAM 35 )

    a. being propelled by power as well as sail
    b. on a starboard tack
    c. close-hauled and has difficulty maneuvering
    d. fishing as well as sailing
4629: BOTH INTERNATIONAL & INLAND For a stand-on vessel to take action to avoid collision she shall, if possible, NOT __________.

    a. decrease speed
    b. increase speed
    c. turn to port for a vessel on her port side
    d. turn to starboard for a vessel on her port side
4630: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

    a. reduce speed to bare steerageway
    b. stop your engines
    c. begin a radar plot
    d. All of the above
4631: BOTH INTERNATIONAL & INLAND Two barges are being pushed ahead by a tugboat. Which statement is TRUE concerning lights on the barges?

    a. Each vessel should show sidelights.
    b. Each vessel should show at least one white light.
    c. The barges should be lighted as separate units.
    d. The barges should be lighted as one vessel.
4632: BOTH INTERNATIONAL & INLAND The Rules state that a seaplane shall __________.

    a. not be regarded as a vessel
    b. in general, keep well clear of all vessels
    c. proceed at a slower speed than surrounding vessels
    d. when making way, show the lights for a vessel not under command
4633: BOTH INTERNATIONAL & INLAND If practical, when shall a manned vessel being towed sound her fog signal?

    a. Immediately before the towing vessel sounds hers
    b. Immediately after the towing vessel sounds hers
    c. As close to the mid-cycle of the towing vessel's signals as possible
    d. At any time as long as the interval is correct
4634: BOTH INTERNATIONAL & INLAND Your tug is underway at night and NOT towing. What light(s) should your vessel show aft to other vessels coming up from astern?

    a. One white light
    b. Two white lights
    c. One white light and one yellow light
    d. One white light and two yellow lights
4635: BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing operations will show __________.

    a. three balls in a vertical line
    b. two balls in a vertical line
    c. one ball near the foremast and one ball at each fore yard
    d. one diamond near the foremast head and one ball at each fore yard
4636: BOTH INTERNATIONAL & INLAND A vessel sailing shall keep out of the way of all of the following vessels except a vessel __________.

    a. not under command
    b. engaged on pilotage duty
    c. restricted in her ability to maneuver
    d. engaged in fishing
4637: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel under oars?

    a. She must show a stern light.
    b. She is allowed to show the same lights as a sailing vessel.
    c. She must show a fixed all-round white light.
    d. She must show a day-shape of a black cone.
4638: BOTH INTERNATIONAL & INLAND A power-driven vessel is underway and fishing with trolling lines. This vessel __________.

    a. must keep out of the way of sailing vessels
    b. must sound a one prolonged, two short blasts signal in restricted visibility
    c. is the stand-on vessel when overtaking power-driven vessels
    d. All of the above
4639: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying a single green light. This is a __________.

    a. vessel at anchor
    b. small motorboat underway
    c. vessel drifting
    d. sailing vessel
4640: BOTH INTERNATIONAL & INLAND When two power-driven vessels are crossing, which vessel is the stand-on vessel?

    a. The vessel which is to starboard of the other vessel
    b. The vessel which is to port of the other vessel
    c. The larger vessel
    d. The vessel that sounds the first whistle signal
4641: BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after white masthead lights when making way?

    a. A 75-meter vessel restricted in her ability to maneuver
    b. A 100-meter sailing vessel
    c. A 150-meter vessel engaged in fishing
    d. A 45-meter vessel engaged in towing
4642: BOTH INTERNATIONAL & INLAND By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should __________.

    a. turn to port
    b. turn to starboard
    c. maintain course and speed and sound the danger signal
    d. maintain course and speed and sound no signal
4643: BOTH INTERNATIONAL & INLAND A sailing vessel underway at night may show __________.

    a. a red light over a green light at the masthead
    b. a green light over a red light at the masthead
    c. two white lights in a vertical line at the stern
    d. an all-round white light at the bow
4644: BOTH INTERNATIONAL & INLAND A vessel engaged in trawling will show identification lights of __________.

    a. a red light over a white light
    b. a white light over a red light
    c. a green light over a white light
    d. two red lights in a vertical line
4645: BOTH INTERNATIONAL & INLAND What is required of a vessel navigating near an area of restricted visibility?

    a. A power-driven vessel shall have her engines ready for immediate maneuver.
    b. She must sound appropriate sound signals.
    c. If she detects another vessel by radar, she shall determine if risk of collision exists.
    d. All of the above
4646: BOTH INTERNATIONAL & INLAND By night, you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel, it will be marked by __________.

    a. a floodlight
    b. two red lights in a vertical line
    c. a single red light
    d. any visible lights
4647: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 65 )

    a. fishing
    b. anchored
    c. being towed
    d. drifting
4649: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in one combined lantern?

    a. A 10-meter power-driven vessel
    b. A 15-meter vessel propelled by sail and machinery
    c. A 10-meter sailing vessel
    d. All of the above
4650: BOTH INTERNATIONAL & INLAND Which lights would be shown at night by a vessel which is restricted in her ability to deviate from her course?

    a. Three red lights in a vertical line
    b. Three white lights in a vertical line
    c. Three lights in a vertical line, the highest and lowest white and the middle red
    d. Three lights in a vertical line, the highest and lowest red and the middle white
4651: BOTH INTERNATIONAL & INLAND Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?

    a. The vessel which has the other on her own starboard side
    b. The vessel which has the other on her own port side
    c. The one which hears the other's fog signal first
    d. Neither vessel is the stand-on vessel.
4652: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 18 )

    a. towing astern with a tow greater than 200 meters in length
    b. not under command
    c. dredging
    d. carrying dangerous cargo
4653: BOTH INTERNATIONAL & INLAND A vessel showing this day-shape __________. (DIAGRAM 34 )

    a. has a tow which exceeds 200 meters in length
    b. is engaged in surveying or underwater work
    c. is not under command
    d. is fishing
4654: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing shall keep out of the way of a vessel __________.

    a. under sail
    b. restricted in her ability to maneuver
    c. crossing a channel
    d. All of the above
4655: BOTH INTERNATIONAL & INLAND Which vessels shall turn off their sidelights?

    a. All vessels that are not under command
    b. All fishing vessels that are not making way
    c. All sailing vessels which are becalmed
    d. All vessels engaged in underwater operations
4656: BOTH INTERNATIONAL & INLAND A vessel fishing at night, with gear extending more than 150 meters horizontally outwards, will show in the direction of the gear __________.

    a. one white light
    b. two vertical white lights
    c. one yellow light
    d. two vertical yellow lights
4657: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall __________.

    a. sound the danger signal
    b. when taking action, make only course changes
    c. avoid altering course toward a vessel abaft the beam
    d. All of the above
4658: BOTH INTERNATIONAL & INLAND A 60-meter vessel which is trawling is required to show how many white masthead lights at night?

    a. 1
    b. 2
    c. 3
    d. 4
4659: BOTH INTERNATIONAL & INLAND A vessel servicing a pipeline during the day shall display __________.

    a. three black shapes in a vertical line; the highest and lowest are balls, and the middle one is a diamond
    b. three shapes in a vertical line; the highest and lowest are red balls, and the middle one is a white diamond
    c. three black balls in a vertical line
    d. two black balls in a vertical line
4660: BOTH INTERNATIONAL & INLAND In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should __________.

    a. stop your engines
    b. sound the danger signal at two-minute intervals
    c. hold course and speed until the other vessel is sighted
    d. take avoiding action as soon as possible
4661: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?

    a. By day, she shall carry a black cylinder shape.
    b. By day, she shall carry two black balls in a vertical line.
    c. By night, she would show the same lights as a vessel not under command.
    d. By day, she would show the same shapes as a vessel restricted in her ability to maneuver.
4662: BOTH INTERNATIONAL & INLAND Vessel "A" (towing) and vessel "B" are meeting as shown. In this situation, which statement is TRUE? (DIAGRAM 12 )

    a. Both vessels should alter course to starboard and pass port to port.
    b. Both vessels should alter course to port and pass starboard to starboard.
    c. Vessel "A" should hold course while vessel "B" alters course to starboard.
    d. Vessel "A" is the stand-on in this situation.
4663: BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for bell & gong signals?

    a. A vessel of less than 12 meters in length need not have any sound signaling equipment.
    b. Manual sounding of the signals must always be possible.
    c. Any vessel over 12 meters in length must be provided with a gong.
    d. Signals must be able to be sounded manually and automatically.
4664: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You MUST __________.

    a. hold your course and speed
    b. sound the danger signal
    c. not cross the channel if you might impede the other vessel
    d. initiate an exchange of passing signals
4665: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?

    a. Any means of making an efficient sound signal
    b. A bell only
    c. A whistle only
    d. A bell and a whistle
4666: BOTH INTERNATIONAL & INLAND Which vessel must have a gong, or other equipment which will make the sound of a gong?

    a. A sailing vessel
    b. Any vessel over 50 meters
    c. A power driven vessel over 75 meters
    d. Any vessel over 100 meters
4667: BOTH INTERNATIONAL & INLAND While underway and in sight of another vessel, less than one half mile away, you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?

    a. You need not sound any whistle signals.
    b. You must sound one blast if backing to starboard.
    c. You must sound whistle signals only if the vessels are meeting.
    d. You must sound three short blasts on the whistle.
4668: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds three short blasts on the whistle. This signal means that vessel "A" __________. (DIAGRAM 42 )

    a. intends to hold course and speed
    b. is uncertain about the actions of "B"
    c. proposes to cross ahead of the other vessel
    d. is backing engines
4669: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?

    a. Use of such a light is required.
    b. Its purpose is to supplement short blasts of the whistle.
    c. The light shall have the same characteristics as a masthead light.
    d. All of the above
4670: BOTH INTERNATIONAL & INLAND What determines if a vessel is "restricted in her ability to maneuver"?

    a. Whether or not all of the vessel's control equipment is in working order
    b. The vessel's draft in relation to the available depth of water
    c. Whether the nature of the vessel's work limits maneuverability required by the Rules
    d. Whether or not the vessel is the give-way vessel in a meeting situation
4671: BOTH INTERNATIONAL & INLAND Which statement is true concerning the light used to accompany whistle signals?

    a. It is only used to supplement short blasts of the whistle.
    b. It is mandatory to use such a light.
    c. The light shall have the same characteristics as a masthead light.
    d. All of the above
4672: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?

    a. Only the stand-on vessel can sound the danger signal.
    b. Radio transmissions may be used in place of the danger signal.
    c. A vessel in doubt as to the other vessel's intentions must sound the danger signal.
    d. The danger signal consists of 5 or more prolonged blasts of the whistle.
4673: BOTH INTERNATIONAL & INLAND Which vessel may sound the danger signal?

    a. Either vessel in a meeting situation
    b. The give-way vessel in a crossing situation
    c. A vessel at anchor
    d. All of the above
4674: BOTH INTERNATIONAL & INLAND You are on watch in fog. Which vessel is "in sight"?

    a. A vessel that you can see from the bridge
    b. A radar target of which you have determined the course and speed
    c. A vessel from which you can hear the fog signal
    d. All of the above
4675: BOTH INTERNATIONAL & INLAND In a meeting situation, which vessel may sound the danger signal?

    a. Stand-on vessel
    b. Give-way vessel
    c. Either vessel
    d. Neither vessel
4676: BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating her intention to pass you on your starboard side. If such an action appears dangerous, you should sound __________.

    a. one prolonged followed by one short blast
    b. one prolonged, one short, one prolonged, and one short blast in that order
    c. five short and rapid blasts
    d. three short and rapid blasts
4677: BOTH INTERNATIONAL & INLAND You are on vessel "A", as shown and hear vessel "B" sound a signal indicating his intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________. (DIAGRAM 32 )

    a. sound two short blasts
    b. sound five or more short and rapid blasts
    c. not answer the whistle signal from vessel "B"
    d. sound three blasts of the whistle
4678: BOTH INTERNATIONAL & INLAND Which is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?

    a. Intermittent flashing amber (yellow) beacon for submarines
    b. Green masthead and yardarm lights indicating mine clearance operations
    c. Red-white-red lights in a vertical line for a carrier, launching aircraft
    d. Yellow flares indicating torpedo firing exercises
4680: BOTH INTERNATIONAL & INLAND Day-shapes must be displayed __________.

    a. between sunset and sunrise
    b. only between 8 AM and 4 PM
    c. during daylight hours in any visibility
    d. during daylight hours in unrestricted visibility only
4681: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.

    a. are not the same color as either side light
    b. have a lesser range of visibility than the prescribed lights
    c. do not impair the visibility or distinctive character of the prescribed lights
    d. All of the above
4682: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.

    a. do not interfere with the keeping of a proper look-out
    b. do not impair the visibility or distinctive character of the prescribed lights
    c. cannot be mistaken for the lights specified elsewhere in the Rules
    d. All of the above
4683: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?

    a. 135.0°
    b. 112.5°
    c. 67.5°
    d. 22.5°
4684: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.

    a. northwest (315°)
    b. east (090°)
    c. southwest (225°)
    d. west (270°)
4685: BOTH INTERNATIONAL & INLAND What does the word "breadth" mean?

    a. Greatest breadth
    b. Molded breadth
    c. Breadth on the main deck
    d. Breadth at the load waterline
4686: BOTH INTERNATIONAL & INLAND If underway in low visibility and sounding fog signals, what changes would you make in the fog signal IMMEDIATELY upon losing the power plant and propulsion?

    a. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals.
    b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals.
    c. Begin sounding two prolonged blasts at two-minute intervals.
    d. No change should be made in the fog signal.
4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.

    a. one prolonged and three short blasts at one minute intervals
    b. a rapid ringing of the bell for five seconds at one minute intervals
    c. one prolonged and two short blasts at two minute intervals
    d. a sounding of the bell and gong at one minute intervals
4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.

    a. one prolonged and three short blasts at one minute intervals
    b. a rapid ringing of the bell for five seconds at one minute intervals
    c. one prolonged and two short blasts at two minute intervals
    d. a sounding of the bell and gong at one minute intervals
4688: BOTH INTERNATIONAL & INLAND What is the fog signal for a vessel 75 meters in length, restricted in her ability to maneuver, at anchor?

    a. One prolonged blast followed by two short blasts at intervals of not more than two minutes
    b. Five second ringing of a bell at intervals of not more than one minute
    c. Four short blasts at intervals of not more than two minutes
    d. Five second ringing of a bell and five second sounding of a gong at intervals of not more than one minute
4689: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?

    a. A sailing vessel
    b. A vessel constrained by her draft
    c. A vessel restricted in her ability to maneuver
    d. A vessel not under command
4690: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?

    a. A vessel engaged in fishing, at anchor
    b. A vessel restricted in its ability to maneuver, at anchor
    c. A sailing vessel, at anchor
    d. All of the above
4691: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?

    a. A bell signal
    b. A whistle signal
    c. A gong signal
    d. All of the above are mandatory.
4691: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?

    a. A bell signal
    b. A whistle signal
    c. A gong signal
    d. All of the above are mandatory.
4692: BOTH INTERNATIONAL & INLAND What is NOT a vessel "restricted in her ability to maneuver"?

    a. A vessel laying engaged in laying submarine cable
    b. A vessel towing with limited maneuverability due to a large unwieldy tow
    c. A deep-draft vessel that can only navigate in a dredged channel
    d. A towing vessel underway with a fuel barge alongside and taking on fuel
4693: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?

    a. A whistle signal
    b. A gong signal
    c. A bell signal
    d. All of the above are optional.
4694: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?

    a. All fog signals for sailing vessels are to be given at intervals of not more than one minute.
    b. A vessel aground may sound a whistle signal.
    c. A vessel not under command sounds the same fog signal as a vessel towed.
    d. The identity signal of a pilot vessel is the only fog signal sounded by such a vessel.
4695: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two short blasts on the whistle. You should __________.

    a. not sound any whistle signals until the other vessel is sighted
    b. sound only fog signals until the other vessel is sighted
    c. sound whistle signals only if you change course
    d. sound two short blasts and change course to the left
4696: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.

    a. engaged in pair trawling
    b. fishing while making no way through the water
    c. more than 100 meters in length, at anchor
    d. engaged on pilotage duty
4697: BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.

    a. one prolonged and two short blasts
    b. one prolonged and three short blasts
    c. one short blast
    d. no fog signal
4699: BOTH INTERNATIONAL & INLAND What is the identity signal which may be sounded by a vessel engaged on pilotage duty in fog?

    a. 2 short blasts
    b. 3 short blasts
    c. 4 short blasts
    d. 5 short blasts
4700: BOTH INTERNATIONAL & INLAND What does the word "length" refer to?

    a. Length between the perpendiculars
    b. Length overall
    c. Waterline length
    d. Registered length
4701: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.

    a. vessel being towed
    b. power-driven pilot vessel on station underway
    c. fishing vessel trawling
    d. vessel at anchor warning of her location
4702: BOTH INTERNATIONAL & INLAND You are heading due east (090°) and observe a vessel's red sidelight on your port beam. The vessel may be heading __________.

    a. northwest (315°)
    b. southeast (135°)
    c. northeast (045°)
    d. southwest (225°)
4703: BOTH INTERNATIONAL & INLAND A towing light is a yellow light having the same characteristics as a(n) __________.

    a. special flashing light
    b. anchor light
    c. stern light
    d. masthead light
4704: BOTH INTERNATIONAL & INLAND The masthead light may be located at other than the fore and aft centerline on a vessel __________.

    a. less than 50 meters in length
    b. less than 20 meters in length
    c. of special construction
    d. engaged in trolling
4705: BOTH INTERNATIONAL & INLAND In complying with the Rules, of what must the mariner take due regard?

    a. Limited backing power of his vessel
    b. Radar information about nearby vessels
    c. The occupation of the other vessel, if known
    d. All of the above
4706: BOTH INTERNATIONAL & INLAND A "flashing light" is a light that __________.

    a. flashes at regular intervals at a frequency of 120 flashes or more per minute
    b. is yellow in color
    c. is visible over an arc of the horizon of not less than 180° nor more than 225°
    d. All of the above
4707: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. Which light(s) would you expect to see?

    a. A stern light only
    b. Two masthead lights
    c. Both sidelights and the stern light
    d. Sidelights only
4708: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )

    a. at anchor
    b. aground
    c. underway
    d. dredging
4709: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )

    a. aground
    b. underway
    c. at anchor
    d. transferring dangerous cargo
4710: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

    a. A vessel engaged in fishing
    b. A vessel not under command
    c. A vessel engaged in dredging
    d. A power-driven vessel
4711: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

    a. A vessel trawling
    b. A vessel not under command
    c. A pilot vessel
    d. A vessel engaged in dredging
4713: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?

    a. Whistle and bell only
    b. Whistle only
    c. Bell only
    d. Whistle, bell, and gong
4714: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

    a. A vessel not under command
    b. A vessel pushing ahead
    c. A vessel engaged in dredging
    d. A vessel trawling
4715: BOTH INTERNATIONAL & INLAND What is a "vessel restricted in her ability to maneuver"?

    a. A deep-draft vessel that can only navigate in a dredged channel
    b. A vessel fishing with a bottom trawl that must remain on course
    c. A large tanker that is being towed as a dead ship to dry dock
    d. A vessel laying revetment mats to provide bank protection along a channel
4716: BOTH INTERNATIONAL & INLAND Which day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?

    a. A cone, apex downward
    b. A cone, apex upward
    c. A diamond
    d. A ball
4717: BOTH INTERNATIONAL & INLAND A sailing vessel underway at night MAY show __________.

    a. a green light over a red light
    b. a red light over a white light
    c. two white lights at the stern
    d. None of the above
4718: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )

    a. fishing at anchor
    b. dredging while underway
    c. transferring dangerous cargo at a berth
    d. restricted in her ability to maneuver, underway but not making way
4719: BOTH INTERNATIONAL & INLAND The lights shown mean that another vessel should pass no closer than__________________. (DIAGRAM 68 )

    a. 500 meters
    b. 1000 meters
    c. 1500 meters
    d. 2000 meters
4720: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )

    a. towing a barge alongside
    b. at anchor and dredging
    c. underway and engaged in surveying operations
    d. not under command and making way
4721: BOTH INTERNATIONAL & INLAND Which vessel when anchored at night, would not be required to show anchor lights?

    a. A vessel engaged in underwater operations
    b. A vessel engaged in mine clearance
    c. A vessel engaged on pilotage duty
    d. A vessel engaged in survey operations
4722: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is not required to show anchor lights?

    a. A power-driven vessel
    b. A vessel engaged in survey operations
    c. A vessel engaged on pilotage duty
    d. A vessel engaged in fishing
4723: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown. This could be a __________. (DIAGRAM 45 )

    a. vessel engaged in fishing at anchor
    b. pilot vessel on pilotage duty
    c. vessel engaged in launching or recovering aircraft
    d. power-driven vessel underway
4724: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 65 )

    a. trawling
    b. not under command
    c. anchored
    d. drifting
4725: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?

    a. Any means of making an efficient sound signal
    b. A bell only
    c. A whistle only
    d. A bell and a whistle
4726: BOTH INTERNATIONAL & INLAND A tug is towing three unmanned barges astern in fog. The third vessel of the tow should sound __________.

    a. no fog signal
    b. one short blast
    c. one prolonged and three short blasts
    d. one prolonged, one short, and one prolonged blast
4728: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?

    a. A vessel engaged in fishing shall keep out of the way of a sailing vessel.
    b. A vessel not under command shall keep out of the way of a vessel engaged in fishing.
    c. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
    d. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
4729: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?

    a. A vessel engaged in fishing shall keep out of the way of a sailing vessel.
    b. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
    c. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
    d. A vessel not under command shall keep out of the way of a vessel engaged in fishing.
4730: INLAND ONLY Which of the following signals may be exhibited by a vessel trawling in close proximity to other fishing vessels?

    a. Two white lights in a vertical line
    b. A red light over a white light in a vertical line
    c. Two fixed yellow lights in a vertical line
    d. All of the above
4731: BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.

    a. not under command
    b. engaged in fishing
    c. engaged in towing
    d. under sail
4732: INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.

    a. trolling
    b. fishing in a traffic separation zone
    c. in close proximity to other vessels engaged in fishing
    d. in a narrow channel
4733: BOTH INTERNATIONAL & INLAND A distress signal __________.

    a. consists of 5 or more short blasts of the fog signal apparatus
    b. consists of the raising and lowering of a large white flag
    c. may be used separately or with other distress signals
    d. is used to indicate doubt about another vessel's intentions
4734: BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.

    a. white lights are not used
    b. red and green lights are not used
    c. the signal cannot be mistaken for a signal authorized by the Rules
    d. the vessel signals such intentions over the radiotelephone
4735: BOTH INTERNATIONAL & INLAND One of the signals, other than a distress signal, that can be used by a vessel to attract attention is a(n) __________.

    a. red star shell
    b. searchlight
    c. burning barrel
    d. orange smoke signal
4736: BOTH INTERNATIONAL & INLAND In restricted visibility a towed vessel must sound a fog signal when it is _____________ .

    a. the last vessel in the tow
    b. the last vessel in the tow and it is carrying a crew
    c. manned, regardless of its position in the tow
    d. None of the above are correct
4737: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.

    a. not cross the channel if you might impede the other vessel
    b. hold your course and speed if she is on your port bow
    c. sound three short blasts, and take all way off your vessel
    d. sound two prolonged blasts followed by one short blast
4738: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.

    a. one short blast and maintain course
    b. five short and rapid blasts
    c. no signal and maneuver at will
    d. two short blasts, alter to port, and pass astern
4739: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?

    a. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
    b. A vessel not under command shall keep out of the way of a vessel engaged in fishing.
    c. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
    d. A vessel engaged in fishing shall keep out of the way of a sailing vessel.
4745: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.

    a. hold your course and speed if he is on your port bow
    b. sound three short blasts, and take all way off your vessel
    c. not cross the channel if you might impede the other vessel
    d. sound two prolonged blasts followed by one short blast
4770: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.

    a. sound two blasts and change course to the left
    b. sound whistle signals only if you change course
    c. not sound any whistle signals until the other vessel is sighted
    d. sound only fog signals until the other vessel is sighted
4770: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.

    a. sound two blasts and change course to the left
    b. sound whistle signals only if you change course
    c. not sound any whistle signals until the other vessel is sighted
    d. sound only fog signals until the other vessel is sighted
4780: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.

    a. the danger signal
    b. two short blasts, alter to port, and pass astern
    c. no signal and maneuver at will
    d. one short blast and maintain course
4818: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.

    a. instead of the masthead lights
    b. which mean that other vessels should not approach within 1000 meters
    c. that are 225° green lights
    d. All of the above
4819: BOTH INTERNATIONAL & INLAND Which breadth shown represents the breadth as defined in the Rules? (DIAGRAM 87 )

    a. A
    b. B
    c. C
    d. D
4820: BOTH INTERNATIONAL & INLAND You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel. You should __________.

    a. cross the channel as you are the stand-on vessel
    b. cross only if the vessel in the channel is approaching on your port side
    c. not cross the channel if you might impede the other vessel
    d. sound the danger signal
4825: BOTH INTERNATIONAL & INLAND What is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?

    a. Two yellow lights in a vertical line for a carrier launching aircraft
    b. Green masthead and yardarm lights for a vessel engaged in mineclearing operations
    c. Flashing amber beacon for submarines
    d. Yellow flares indicating torpedo firing exercises
4826: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.

    a. you do so to avoid immediate danger
    b. no vessels are visible on radar
    c. you are in a close quarters situation
    d. out of sight of land
4827: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the requirements of the Rules when __________.

    a. operating in restricted visibility
    b. operating in a narrow channel
    c. necessary to avoid immediate danger
    d. the Master enters it in the ship's log
4828: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.

    a. there are other vessels in the vicinity
    b. operating in a traffic separation scheme
    c. engaged in a situation involving more than two vessels
    d. necessary to avoid immediate danger
4829: BOTH INTERNATIONAL & INLAND The term "restricted visibility", when used in the Rules, refers to __________.

    a. situations when you can see vessels on radar that you cannot see visually
    b. visibility of less than half a mile
    c. any condition where visibility is restricted
    d. visibility where you cannot see shore
4830: BOTH INTERNATIONAL & INLAND The Navigation Rules define a "vessel not under command" as a vessel which __________.

    a. from the nature of her work is unable to keep out of the way of another vessel
    b. does not have a proper look-out
    c. by taking action contrary to the Rules has created a special circumstance situation
    d. through some exceptional circumstance is unable to maneuver as required by the Rules
4831: BOTH INTERNATIONAL & INLAND Which craft is a "power-driven vessel" under the Rules of the Road?

    a. An auxiliary sailing vessel, using her engine
    b. A canoe propelled by a small outboard motor
    c. A trawler on her way to the fishing grounds
    d. All of the above
4832: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when she __________.

    a. can be observed by radar
    b. has determined that risk of collision exists
    c. is sounding a fog signal which can be heard on the other vessel
    d. can be observed visually from the other vessel
4833: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?

    a. The vessel is classified as "restricted in her ability to maneuver".
    b. Her gear will not affect the vessel's maneuverability.
    c. The vessel may be using nets, lines, or trawls.
    d. She sounds the same fog signal as a vessel underway but stopped and making no way.
4834: BOTH INTERNATIONAL & INLAND To be considered "engaged in fishing" under the Rules, a vessel must be __________.

    a. power-driven
    b. showing lights or shapes for a vessel restricted in its ability to maneuver
    c. using nets
    d. using fishing apparatus which restricts maneuverability
4835: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.

    a. a barge permanently affixed to the shore
    b. nondisplacement craft
    c. a drilling unit attached to the Outer Continental Shelf
    d. All of the above
4836: BOTH INTERNATIONAL & INLAND Which vessel is, by definition, unable to keep out of the way of another vessel?

    a. Vessel engaged in fishing
    b. Vessel not making way
    c. Vessel sailing
    d. Vessel restricted in her ability to maneuver
4837: BOTH INTERNATIONAL & INLAND A vessel "restricted in her ability to maneuver" is one which __________.

    a. through some exceptional circumstance is unable to maneuver as required by the Rules
    b. from the nature of her work is unable to maneuver as required by the Rules
    c. due to adverse weather conditions is unable to maneuver as required by the Rules
    d. has lost steering and is unable to maneuver
4838: BOTH INTERNATIONAL & INLAND What determines if a vessel is "restricted in her ability to maneuver"?

    a. Whether or not all of the vessel's control equipment is in working order
    b. The vessel's draft in relation to the available depth of water
    c. Whether the vessel is operating in a narrow channel
    d. The nature of the vessel's work, limiting maneuverability required by the Rules
4839: BOTH INTERNATIONAL & INLAND A vessel is considered to be "restricted in her ability to maneuver" under the Rules if she is __________.

    a. at anchor
    b. mineclearing
    c. engaged in fishing
    d. engaged in towing
4841: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.

    a. restricted in her ability to maneuver
    b. in special circumstances
    c. not under command
    d. constrained by her draft
4842: BOTH INTERNATIONAL & INLAND Which vessel is "underway" according to the Rules?

    a. A vessel made fast to a single point mooring buoy
    b. A vessel engaged in towing, not making way
    c. A pilot vessel at anchor
    d. A vessel which has run aground
4843: BOTH INTERNATIONAL & INLAND According to the Rules, a vessels length is her __________.

    a. length between the perpendiculars
    b. length along the waterline
    c. length overall
    d. registered length
4844: BOTH INTERNATIONAL & INLAND What does the word "breadth" mean in the Rules?

    a. Breadth on the uppermost continuous deck
    b. Molded breadth
    c. Greatest breadth
    d. Breadth at the load waterline
4845: BOTH INTERNATIONAL & INLAND What represents the length of a vessel as defined by the Rules? (DIAGRAM 86 )

    a. A
    b. B
    c. C
    d. D
4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.

    a. limitations of radar equipment
    b. presence of background lights at night
    c. maximum horsepower of your vessel
    d. maneuverability of your vessel
4847: BOTH INTERNATIONAL & INLAND The rules require which factor to be taken into account when determining safe speed?

    a. The construction of the vessel
    b. The experience of the vessel's crew
    c. The location of vessels detected by radar
    d. All of the above
4848: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.

    a. radio communications that are available
    b. maximum speed of your vessel
    c. temperature
    d. current
4849: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.

    a. you can stop within your visibility range
    b. the vessel is not subject to vibrations
    c. you are traveling slower than surrounding vessels
    d. you can take proper and effective action to avoid collision
4850: BOTH INTERNATIONAL & INLAND The Rules state that risk of collision shall be deemed to exist __________.

    a. whenever two vessels are on opposite courses
    b. whenever a vessel crosses ahead of the intended track of another vessel
    c. if the bearing of an approaching vessel does not appreciably change
    d. if one vessel approaches another so as to be overtaking
4851: BOTH INTERNATIONAL & INLAND. In which situation would you consider a risk of collision to exist?

    a. A vessel is one point on your starboard bow, range increasing, bearing changing slightly to the right.
    b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right.
    c. A vessel is two points abaft your port beam, range decreasing, bearing constant.
    d. A vessel is on your starboard quarter, range increasing, bearing is constant.
4852: BOTH INTERNATIONAL & INLAND What is TRUE when operating in fog and other vessels are detected by radar?

    a. You should make an ample change to port for a vessel crossing on the starboard bow.
    b. You should maneuver in ample time if a close-quarters situation is developing.
    c. You should determine the course and speed of all radar contacts at six minute intervals.
    d. Long-range scanning will provide early warning of ALL other vessels within the radar's range.
4852: BOTH INTERNATIONAL & INLAND What is TRUE when operating in fog and other vessels are detected by radar?

    a. You should make an ample change to port for a vessel crossing on the starboard bow.
    b. You should maneuver in ample time if a close-quarters situation is developing.
    c. You should determine the course and speed of all radar contacts at six minute intervals.
    d. Long-range scanning will provide early warning of ALL other vessels within the radar's range.
4853: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is about one mile distant and is on your starboard bow. You believe she will cross ahead of you but she sounds a whistle signal of five short blasts. You should __________.

    a. answer the signal and hold course and speed
    b. reduce speed slightly
    c. initiate a passing signal that will allow for a half mile clearance
    d. make a large course change, and slow down if necessary
4854: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant on your starboard bow. You believe she will cross ahead of you but she sounds a whistle signal of five short blasts. You should __________.

    a. sound a signal of one prolonged blast
    b. make a large course change
    c. reduce speed slightly to make sure she will have room to pass
    d. wait for another whistle signal from the other vessel
4855: BOTH INTERNATIONAL & INLAND Under the Rules, any vessel may slacken her speed, stop, or reverse her engines to __________.

    a. create a crossing situation
    b. allow more time to assess the situation
    c. attract the attention of another vessel
    d. All of the above
4856: BOTH INTERNATIONAL & INLAND When in sight of another vessel and there is sufficient sea room, any action taken to avoid collision must __________.

    a. be accompanied by sound signals
    b. not result in another close quarters situation
    c. include a speed change
    d. All of the above
4857: BOTH INTERNATIONAL & INLAND A vessel approaching a narrow channel shall __________.

    a. avoid crossing the channel if it impedes another vessel navigating in the channel
    b. not overtake any vessels within the channel
    c. keep as close as possible to the edge of the channel on her port side
    d. anchor only in the middle of the channel
4858: BOTH INTERNATIONAL & INLAND When underway in a channel, you should if safe and practicable __________.

    a. stay near the middle of the channel
    b. keep to the starboard side of any vessels you meet
    c. exchange whistle signals with any other vessels in the channel
    d. keep to the side of the channel which lies to your starboard
4859: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing in the narrow channel. Which statement is TRUE?

    a. Each vessel should move to the edge of the channel on her port side.
    b. The vessels are required to exchange signals.
    c. The fishing vessel is directed not to impede the passage of the sailing vessel.
    d. Each vessel should be displaying signals for a vessel constrained by her draft.
4860: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.

    a. in addition to the lights required for a power-driven vessel
    b. which means that other vessels should not approach closer than 500 meters on either side of the vessel
    c. that are green and show through an arc of the horizon of 225°
    d. All of the above
4861: BOTH INTERNATIONAL & INLAND When navigating in thick fog with the radar on, you should __________.

    a. station the look-out in the wheelhouse to keep a continuous watch on the radar
    b. secure the sounding of fog signals until a vessel closes within five miles
    c. station a look-out as low down and far forward as possible
    d. keep the radar on the shortest available range for early detection of approaching vessels
4862: BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?

    a. Your speed must be reduced to bare steerageway.
    b. A look-out is not required if the radar is on.
    c. Fog signals are only required when a vessel is detected by radar.
    d. The radar should always be kept on a short-range scale.
4863: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing. Which statement is TRUE?

    a. The fishing vessel must sound the danger signal.
    b. The fishing vessel shall not impede the passage of the sailing vessel.
    c. Each vessel should move to the edge of the channel on her port side.
    d. Both vessels should be displaying the signal for a vessel restricted in her ability to maneuver.
4864: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?

    a. A vessel dredging
    b. A sailing vessel
    c. A vessel servicing an aid to navigation
    d. All of the above
4865: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to starboard is within the channel and crossing your course. You should __________.

    a. hold your course and speed
    b. sound the danger signal
    c. keep out of the way of the cargo vessel
    d. do not cross the channel
4866: BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?

    a. The one with the wind closest abeam
    b. The one to windward
    c. The one to leeward
    d. The one that sounds the first whistle signal
4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?

    a. The vessel making the most speed is the give-way vessel.
    b. A sailing vessel overtaking another is the give-way vessel.
    c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course.
    d. All of the above
4869: BOTH INTERNATIONAL & INLAND Power-driven vessels must keep out of the way of sailing vessels except __________.

    a. in a crossing situation
    b. when they are making more speed than the power-driven vessel
    c. when the sailing vessel is overtaking
    d. on the Inland Waters of the United States
4870: BOTH INTERNATIONAL & INLAND When do the Rules require both vessels to change course?

    a. Any time the danger signal is sounded
    b. When two power-driven vessels are crossing and it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action
    c. When two power-driven vessels are meeting head-on
    d. All of the above
4871: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?

    a. Your vessel is obligated to stay out of the way.
    b. The other vessel must give way, since your vessel is stopped.
    c. You should be showing the lights or shapes for a vessel not under command.
    d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver.
4872: BOTH INTERNATIONAL & INLAND If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?

    a. As soon as you determine that risk of collision exists
    b. Only when you have reached extremis
    c. When it becomes apparent to you that the give-way vessel is not taking appropriate action
    d. When you determine that your present course will cross ahead of the other vessel
4873: BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel __________.

    a. not under command
    b. restricted in her ability to maneuver
    c. engaged in towing
    d. fishing
4874: BOTH INTERNATIONAL & INLAND What would be a "special circumstance" under the Rules?

    a. Vessel at anchor
    b. Two vessels meeting
    c. Speed in fog
    d. More than two vessels crossing
4875: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel being towed, if manned, shall sound a signal of __________.

    a. one prolonged and three short blasts
    b. one prolonged and two short blasts
    c. three short blasts
    d. two short blasts
4876: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.

    a. sound two prolonged blasts followed by one short blast
    b. not cross the channel if you might impede the other vessel
    c. sound three short blasts, and take all way off your vessel
    d. hold your course and speed if he is on your port bow
4877: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.

    a. one short blast and maintain course
    b. two short blasts, alter to port, and pass astern
    c. the danger signal
    d. no signal and maneuver at will
5000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.

    a. sound only fog signals until the other vessel is sighted
    b. not sound any whistle signals until the other vessel is sighted
    c. sound two blasts and change course to the left
    d. sound whistle signals only if you change course
5100: BOTH INTERNATIONAL & INLAND Lighting requirements in inland waters are different from those for international waters for __________.

    a. barges being towed astern
    b. vessels not under command
    c. vessels pushing ahead
    d. All of the above
5150: BOTH INTERNATIONAL & INLAND There are two classes of vessels which do not have to comply with the rule regarding traffic separation schemes, to the extent necessary to carry out their work. One of those is a vessel __________.

    a. engaged in fishing
    b. towing another
    c. servicing a navigational aid
    d. on pilotage duty
5200: BOTH INTERNATIONAL & INLAND In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so __________.

    a. only in case of an emergency or to engage in fishing within the zone
    b. as nearly as practical at right angles to the general direction of traffic flow
    c. at as small an angle as possible
    d. only to anchor within the zone
5300: BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.

    a. is located between the scheme and the nearest land
    b. separates traffic proceeding in one direction from traffic proceeding in the opposite direction
    c. is designated as an anchorage area
    d. contains all the traffic moving in the same direction
5350: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.

    a. avoid anchoring in areas near the termination of the scheme
    b. avoid crossing traffic lanes, but if obliged to do so, shall cross on as small an angle as is practical
    c. only anchor in the separation zone
    d. use the separation zone for navigating through the scheme if she is hindering other traffic due to her slower speed
5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.

    a. cross a traffic lane
    b. engage in fishing the separation zone
    c. proceed in an inappropriate traffic lane
    d. enter the separation zone
5500: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.

    a. only anchor in the separation zone
    b. avoid crossing traffic lanes, but if obliged to do so, shall cross on a heading at as small an angle as is practical
    c. avoid anchoring in areas near the termination of the scheme
    d. use the separation zone for navigation through the scheme if she is hindering other traffic due to her slower speed
6000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.

    a. sound two blasts and change course to the left
    b. sound only fog signals until the other vessel is sighted
    c. sound whistle signals only if you change course
    d. not sound any whistle signals until the other vessel is sighted
6500: BOTH INTERNATIONAL & INLAND A towing vessel and her tow are severely restricted in their ability to change course. When making way, the towing vessel will show ONLY __________.

    a. the masthead lights for a towing vessel
    b. the lights for a vessel restricted in her ability to maneuver
    c. sidelights, stern light, and towing light
    d. All of the above.
6510: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

    a. take all way off, if necessary
    b. stop your engines
    c. begin a radar plot
    d. All of the above
6520: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.

    a. vessel not under command
    b. vessel at anchor
    c. vessel towing
    d. All of the above
6530: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

    a. stop your engines
    b. take all way off, if necessary
    c. begin a radar plot
    d. All of the above
6540: BOTH INTERNATIONAL & INLAND A vessel may enter a traffic separation zone __________.

    a. in an emergency
    b. to engage in fishing within the zone
    c. to cross the traffic separation scheme
    d. All of the above
6550: BOTH INTERNATIONAL & INLAND In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so __________.

    a. at as small an angle as possible
    b. as nearly as practical at right angles to the general direction of traffic flow
    c. only in case of an emergency or to engage in fishing within the zone
    d. never
6560: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme is forbidden to __________.

    a. proceed through an inappropriate traffic lane
    b. engaged in fishing in the separation zone
    c. cross a traffic lane
    d. enter the separation zone, even in a emergency
6570: BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.

    a. is between the scheme and the nearest land
    b. contains all the traffic moving in one direction
    c. is designated as an anchorage area
    d. separates traffic proceeding in one direction from traffic proceeding in the opposite direction
8000: INTERNATIONAL ONLY To indicate that a vessel is constrained by her draft, a vessel may display, in a vertical line, __________.

    a. three 360° red lights
    b. two 225° red lights
    c. three 360° blue lights
    d. two 225° blue lights
8001: INTERNATIONAL ONLY In addition to other required lights, a power-driven vessel pushing ahead or towing alongside displays __________.

    a. two all-round red lights in a vertical line
    b. two yellow towing lights in a vertical line
    c. two white masthead lights in a vertical line
    d. two lights on the stern, one yellow and one white
8002: INTERNATIONAL ONLY Which statement is true concerning a vessel "constrained by her draft"?

    a. She must be a power-driven vessel.
    b. She is not under command.
    c. She may be a vessel being towed.
    d. She is hampered because of her work.
8004: INTERNATIONAL ONLY When moving from a berth alongside a quay (wharf), a vessel must sound __________.

    a. three short blasts
    b. a long blast
    c. a prolonged blast
    d. No signal is required.
8005: INTERNATIONAL ONLY You are in charge of a 250-meter freight vessel constrained by her draft proceeding down a narrow channel. There is a vessel engaged in fishing on your starboard bow half a mile away. According to Rule 9, which statement is TRUE?

    a. You are not to impede the fishing vessel.
    b. If you are in doubt as to the fishing vessel's intentions you may sound at least five short and rapid blasts on the whistle.
    c. You are to slow to bare steerageway until clear of the fishing vessel.
    d. You must sound one prolonged blast to alert the fishing vessel.
8006: INTERNATIONAL ONLY The International Rules of the Road apply __________.

    a. to all waters which are not inland waters
    b. only to waters outside the territorial waters of the United States
    c. only to waters where foreign vessels travel
    d. upon the high seas and connecting waters navigable by seagoing vessels
8007: INTERNATIONAL ONLY A towing light is __________.

    a. shown at the bow
    b. white in color
    c. shown in addition to the stern light
    d. an all-round light
8008: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel which intends to pass on the other vessel's port side would sound __________.

    a. one prolonged followed by two short blasts
    b. one short blast
    c. two short blasts
    d. two prolonged followed by two short blasts
8009: INTERNATIONAL ONLY You are underway on the high seas in restricted visibility. You hear a fog signal of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.

    a. minesweeping
    b. engaged in fishing
    c. constrained by her draft
    d. being towed
8010: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.

    a. not under command
    b. aground
    c. dredging
    d. constrained by her draft
8011: INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, __________.

    a. sidelights and a stern light
    b. the lights required for a vessel more than 7 meters in length
    c. sidelights only
    d. one all-round white light
8012: INTERNATIONAL ONLY In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel __________.

    a. meeting another head-on
    b. crossing the course of another
    c. overtaking another
    d. Any of the above
8013: INTERNATIONAL ONLY When two vessels are in sight of one another, all of the following signals may be given EXCEPT __________.

    a. a light signal of at least five short and rapid flashes
    b. four short whistle blasts
    c. one prolonged, one short, one prolonged and one short whistle blasts
    d. two short whistle blasts
8014: INTERNATIONAL ONLY A power-driven vessel leaving a quay or wharf must sound what signal?

    a. Three short blasts
    b. A long blast
    c. A prolonged blast
    d. No signal is required.
8014: INTERNATIONAL ONLY A power-driven vessel leaving a quay or wharf must sound what signal?

    a. Three short blasts
    b. A long blast
    c. A prolonged blast
    d. No signal is required.
8014: INTERNATIONAL ONLY A power-driven vessel leaving a quay or wharf must sound what signal?

    a. Three short blasts
    b. A long blast
    c. A prolonged blast
    d. No signal is required.
8016: INTERNATIONAL ONLY What whistle signal, if any, would be sounded when two vessels are meeting, but will pass clear starboard to starboard?

    a. One short blast
    b. Two short blasts
    c. Five or more short blasts
    d. No signal is required.
8017: INTERNATIONAL ONLY In a narrow channel, a vessel trying to overtake another on the other vessel's port side, would sound a whistle signal of __________.

    a. one short blast
    b. two short blasts
    c. two prolonged blasts followed by one short blast
    d. two prolonged blasts followed by two short blasts
8018: INTERNATIONAL ONLY On open water, a power-driven vessel coming up dead astern of another vessel and altering her course to starboard so as to pass on the starboard side of the vessel ahead would sound __________.

    a. two short blasts
    b. one short blast
    c. two prolonged blasts followed by one short blast
    d. one long and one short blast
8019: INTERNATIONAL ONLY If a vessel displays three all-round red lights in a vertical line at night, during the day she may show __________.

    a. three balls in a vertical line
    b. a cylinder
    c. two diamonds in a vertical line
    d. two cones, apexes together
8020: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.

    a. towing
    b. constrained by her draft
    c. under sail
    d. All of the above
8021: INTERNATIONAL ONLY Your vessel is crossing a narrow channel. A vessel to port is within the channel and crossing your course. She is showing a black cylinder. What is your responsibility?

    a. Hold your course and speed.
    b. Sound the danger signal.
    c. Begin an exchange of passing signals.
    d. Do not cross the channel if you might impede the other vessel.
8022: INTERNATIONAL ONLY You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should __________.

    a. hold course and sound a two blast whistle signal
    b. hold course and sound no whistle signal
    c. change course to the right and sound one blast
    d. hold course and sound two prolonged and two short blasts
8023: BOTH INTERNATIONAL & INLAND A fishing vessel is approaching a vessel not under command. Which statement is TRUE?

    a. The fishing vessel must keep clear of the vessel not under command.
    b. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel.
    c. They must exchange whistle signals.
    d. Both vessels are required to take action to stay clear of each other.
8024: INTERNATIONAL ONLY Which signal is required to be sounded by a power-driven vessel ONLY?

    a. A signal meaning, "I am altering my course to starboard."
    b. A signal meaning, "I intend to overtake you on your starboard side."
    c. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions.
    d. A signal sounded when approaching a bend.
8025: INTERNATIONAL ONLY The light which may be used with a vessel's whistle is to be __________.

    a. used when the whistle is broken
    b. used prior to sounding the whistle
    c. used only at night
    d. a white light
8026: INTERNATIONAL ONLY You are in sight of another vessel in a crossing situation, and the other vessel sounds one short blast. You are going to hold course and speed. You should __________.

    a. answer with one short blast
    b. answer with two short blasts
    c. sound the danger signal
    d. sound no whistle signal
8027: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which could be sounded by a __________.

    a. fishing vessel
    b. vessel anchored
    c. mineclearing vessel
    d. vessel overtaking another in a narrow channel
8028: INTERNATIONAL ONLY In a crossing situation on international waters, a short blast by the give-way vessel indicates that the vessel __________.

    a. is holding course and speed
    b. is turning to starboard
    c. intends to pass port to port
    d. will keep out of the way of the stand-on vessel
8029: INTERNATIONAL ONLY What day-shape is prescribed for a vessel constrained by her draft?

    a. A black cone, apex upward
    b. A black cone, apex downward
    c. Two vertical black balls
    d. A cylinder
8030: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.

    a. engaged in towing
    b. constrained by her draft
    c. under sail
    d. All of the above
8031: INTERNATIONAL ONLY Which statement(s) is(are) TRUE concerning light signals?

    a. The time between flashes shall be about five seconds.
    b. The time between successive signals shall be not less than ten seconds.
    c. The light signals are to be used when not using sound signals.
    d. All of the above
8032: INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

    a. When overtaking in restricted visibility
    b. When overtaking in a narrow channel
    c. When overtaking on open waters
    d. When no other vessels are in the immediate area
8038: INTERNATIONAL ONLY In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

    a. When overtaking in restricted visibility
    b. When overtaking in a narrow channel
    c. When overtaking on open waters
    d. When no other vessels are in the immediate area
8039: INTERNATIONAL ONLY When vessels are in sight of one another, two short blasts from one of the vessels means __________.

    a. "I am altering my course to starboard"
    b. "I am altering my course to port"
    c. "I intend to change course to starboard"
    d. "I intend to change course to port"
8040: INTERNATIONAL ONLY Which vessel may NOT exhibit two red lights in a vertical line?

    a. A vessel constrained by her draft
    b. A trawler fishing in close proximity to other trawlers
    c. A vessel aground
    d. A dredge
8041: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters and will pass without changing course. Vessel "A" __________.

    a. should sound two short blasts
    b. should sound the danger signal
    c. should sound one long blast
    d. will not sound any whistle signals
8042: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?

    a. A vessel constrained by her draft
    b. A vessel restricted in her ability to maneuver
    c. A vessel on pilotage duty
    d. A vessel engaged in fishing
8043: INTERNATIONAL ONLY Which vessel would NOT sound a fog signal of one prolonged and two short blasts?

    a. A vessel not under command
    b. A vessel constrained by her draft
    c. A vessel being towed
    d. A vessel sailing
8044: INTERNATIONAL ONLY In international waters, you are on Vessel "I" in the situation as shown. Vessel "II" sounds one short blast. Which action should you take? (DIAGRAM 36 )

    a. Sound one short blast and hold course and speed.
    b. Hold course and speed
    c. Sound one short blast and slow down or turn to starboard.
    d. Sound two short blasts, slow down and turn to port
8045: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?

    a. No signal is necessary.
    b. Two prolonged blasts
    c. Two short blasts
    d. Two prolonged followed by two short blasts
8046: INTERNATIONAL ONLY A vessel sounds two short blasts. This signal indicates the vessel __________.

    a. intends to alter course to port
    b. intends to pass starboard to starboard
    c. is altering course to port
    d. will alter course to port
8047: INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.

    a. intends to alter course to starboard
    b. intends to pass starboard to starboard
    c. is altering course to starboard
    d. intends to pass port to port
8048: INTERNATIONAL ONLY You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.

    a. one short blast
    b. two prolonged blasts
    c. two prolonged followed by two short blasts
    d. one prolonged, one short, one prolonged, and one short blast in that order
8050: INTERNATIONAL ONLY A sailing vessel is overtaking a power-driven vessel in a narrow channel, so as to pass on the power-driven vessel's port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the __________.

    a. stand-on vessel and would sound two short blasts
    b. give-way vessel and would sound no whistle signal
    c. stand-on vessel and would sound no whistle signal
    d. give-way vessel and would sound two prolonged blasts followed by two short blasts
8051: INTERNATIONAL ONLY A vessel constrained by her draft may display __________.

    a. three all-round red lights
    b. two 225° red lights
    c. three all-round blue lights
    d. two 225° blue lights
8052: INTERNATIONAL ONLY Two power-driven vessels are meeting. A two blast whistle signal by either vessel means __________.

    a. "I intend to alter course to port"
    b. "I desire to pass starboard to starboard"
    c. "I desire to pass port to port"
    d. "I am altering course to port"
8053: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.

    a. a single white light forward
    b. two masthead lights in a vertical line
    c. two towing lights in a vertical line
    d. two all-round red lights where they can best be seen
8054: INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?

    a. She is severely restricted in her ability to change her course because of her draft in relation to the available depth of water.
    b. The term applies only to vessels in marked channels.
    c. She is designated as a "vessel restricted in her ability to maneuver".
    d. The vessel must be over 100 meters in length.
8056: INTERNATIONAL ONLY A whistle signal of one prolonged, one short, one prolonged and one short blast, is sounded by a vessel __________.

    a. at anchor
    b. towing a submerged object
    c. being overtaken in a narrow channel
    d. in distress
8057: INTERNATIONAL ONLY Your vessel is backing out of a slip in a harbor and you can see that other vessels are approaching. You should sound __________.

    a. three short blasts when leaving the slip
    b. one prolonged blast followed by three short blasts when the last line is taken aboard
    c. one prolonged blast only
    d. the danger signal
8058: INTERNATIONAL ONLY Which vessel is to keep out of the way of the others?

    a. A vessel constrained by her draft
    b. A vessel engaged in underwater operations
    c. A vessel engaged in trawling
    d. A vessel not under command
8059: INTERNATIONAL ONLY You are in sight of a power-driven vessel that sounds two short blasts of the whistle. This signal means that the vessel __________.

    a. is altering course to port
    b. is altering course to starboard
    c. intends to leave you on her port side
    d. intends to leave you on her starboard side
8060: INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. According to Rule 9, you __________.

    a. may sound the danger signal
    b. must sound one prolonged and two short blasts
    c. should sound one short blast to indicate that you are holding course and speed
    d. are required to back down
8061: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )

    a. should sound two short blasts
    b. should sound the danger signal
    c. should sound one long blast
    d. need not sound any whistle signals
8062: INTERNATIONAL ONLY If you sighted three red lights in a vertical line on another vessel at night, it would be a vessel __________.

    a. aground
    b. constrained by her draft
    c. dredging
    d. moored over a wreck
8063: INTERNATIONAL ONLY On open water two vessels are in an overtaking situation. The overtaking vessel has just sounded one short blast on the whistle. What is the meaning of this whistle signal?

    a. "I request permission to pass you on my port side."
    b. "I will maintain course and speed and pass you on your starboard side."
    c. "On which side should I pass?"
    d. "I am changing course to starboard."
8064: INTERNATIONAL ONLY You are underway in fog and hear a fog signal consisting of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.

    a. engaged in mineclearance
    b. engaged in fishing
    c. constrained by her draft
    d. being towed
8067: INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

    a. A vessel not under command
    b. A fishing vessel
    c. A vessel restricted in her ability to maneuver
    d. All of the above
8068: INTERNATIONAL ONLY A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel __________.

    a. engaged on pilotage duty
    b. in distress
    c. at anchor
    d. being overtaken in a narrow channel
8069: INTERNATIONAL ONLY Which signal is sounded ONLY by a vessel in sight of another and NOT in or near an area of restricted visibility?

    a. Four short blasts on the whistle
    b. One prolonged blast on the whistle
    c. One short blast on the whistle
    d. One short, one prolonged, and one short blast on the whistle
8070: INTERNATIONAL ONLY In addition to her running lights, an underway vessel constrained by her draft may carry in a vertical line __________.

    a. a red light, a white light, and a red light
    b. two red lights
    c. two white lights
    d. three red lights
8071: INTERNATIONAL ONLY Which vessel is NOT regarded as being "restricted in her ability to maneuver"?

    a. A vessel servicing an aid to navigation
    b. A vessel engaged in dredging
    c. A towing vessel with tow unable to deviate from its course
    d. A vessel constrained by her draft
8072: INTERNATIONAL ONLY When two vessels are in sight of one another and NOT in or near an area of restricted visibility, any of the following signals may be given EXCEPT __________.

    a. a light signal of at least five short and rapid flashes
    b. one prolonged, one short, one prolonged, and one short whistle blasts
    c. four short whistle blasts
    d. two short whistle blasts
8073: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel which intends to PASS on the other vessel's port side would sound __________.

    a. one prolonged followed by two short blasts
    b. one short blast
    c. two prolonged followed by two short blasts
    d. two short blasts
8074: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which would be sounded by a vessel __________.

    a. overtaking another in a narrow channel
    b. anchored
    c. engaged in mineclearance
    d. engaged in fishing
8075: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?

    a. Two short blasts followed by two prolonged blasts
    b. Two prolonged followed by two short blasts
    c. Two prolonged blasts only
    d. Two short blasts only
8076: INTERNATIONAL ONLY You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.

    a. two prolonged followed by two short blasts
    b. one prolonged, one short, one prolonged, and one short blast
    c. one short blast
    d. two prolonged blasts
8077: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters and will pass without changing course. Vessel "A" should __________.

    a. sound two prolonged blasts followed by two short blasts
    b. sound the danger signal
    c. not sound any whistle signals
    d. sound one long blast
8078: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )

    a. need not sound any whistle signals
    b. should sound two short blasts
    c. should sound the danger signal
    d. should sound one long blast
8078: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )

    a. need not sound any whistle signals
    b. should sound two short blasts
    c. should sound the danger signal
    d. should sound one long blast
8080: INTERNATIONAL ONLY Which signal is sounded ONLY by a vessel in sight of another?

    a. One short blast on the whistle
    b. Four short blasts on the whistle
    c. One prolonged blast on the whistle
    d. One short, one prolonged, and one short blast on the whistle
8081: INTERNATIONAL ONLY The light which may be used with a vessel's whistle must be __________.

    a. used when the whistle is broken
    b. a white light
    c. used only at night
    d. used prior to sounding the whistle
8082: INTERNATIONAL ONLY Which statement is TRUE concerning light signals?

    a. The time between flashes shall be about five seconds.
    b. The light signals are to be used when not using sound signals.
    c. The time between successive signals shall be not less than ten seconds.
    d. All of the above
8083: INTERNATIONAL ONLY While underway and in sight of another vessel, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?

    a. You must sound three short blasts on the whistle.
    b. You must sound one blast if backing to starboard.
    c. You must sound whistle signals only if the vessels are meeting.
    d. You need not sound any whistle signals.
8084: INTERNATIONAL ONLY While underway at night, a power-driven vessel of less than 7 meters in length, whose maximum speed which does not exceed 7 knots, may show __________.

    a. sidelights combined in a single lantern, only
    b. an all-round flashing yellow light, only
    c. one all-round white light, only
    d. a lantern showing a white light exhibited in sufficient time to prevent collision, only
8085: INTERNATIONAL ONLY At night, a power-driven vessel less than 7 meters in length, with a maximum speed which does not exceed 7 knots, MUST show when underway at least __________.

    a. one white 360° light
    b. a white light on the near approach of another vessel
    c. sidelights and a stern light
    d. the lights required of a vessel less than 12 meters in length
8087: INTERNATIONAL ONLY Lighting requirements in inland waters are different from those for international waters for __________.

    a. barges being pushed ahead
    b. vessels restricted in their ability to maneuver
    c. vessels towing astern
    d. barges being towed astern
8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.

    a. two towing lights in a vertical line
    b. a towing light above the stern light
    c. two all-round red lights at the masthead
    d. two masthead lights in a vertical line
8089: BOTH INTERNATIONAL AND INLAND A towing light __________.

    a. flashes at regular intervals of 50-70 flashes per minute
    b. is yellow in color
    c. shows an unbroken light over an arc of the horizon of not less than 180° nor more than 225°
    d. All of the above
8090: BOTH INTERNATIONAL & INLAND A towing light is ____________ .

    a. shown below the stern light
    b. white in color
    c. displayed at the masthead
    d. a yellow light having the same characteristics as the stern light
8092: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

    a. alternating red and yellow light
    b. alternating white and yellow light
    c. all-round white or yellow light
    d. all-round white light only
8096: INTERNATIONAL ONLY A vessel constrained by her draft may display __________.

    a. three all-round red lights instead of the lights required for a power-driven vessel of her class
    b. the same lights as a vessel restricted in her ability to maneuver
    c. three all-round red lights in addition to the lights required for a power-driven vessel of her class
    d. the lights for a power-driven vessel which is not under command
8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?

    a. A black diamond
    b. A cylinder
    c. A black ball
    d. A black cone, apex upward
8098: INTERNATIONAL ONLY If at night a vessel displays three all-round red lights in a vertical line, during the day she may show __________.

    a. two cones, base to base
    b. three black balls in a vertical line
    c. a cylinder
    d. a cone, apex downward
8099: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.

    a. restricted in her ability to maneuver
    b. not under command
    c. engaged in mineclearing operations
    d. constrained by her draft
8099: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.

    a. restricted in her ability to maneuver
    b. not under command
    c. engaged in mineclearing operations
    d. constrained by her draft
8100: INTERNATIONAL ONLY The International Rules of the Road apply __________.

    a. to all waters
    b. to any waters inside the territorial waters of the U.S.
    c. only to waters where foreign vessels travel
    d. upon the high seas and connecting waters navigable by seagoing vessels
8101: INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?

    a. The term only applies to vessels in narrow channels.
    b. She is severely restricted in her ability to change her course because of her draft in relation to the available depth and width of navigable water.
    c. She is designated as a "vessel restricted in her ability to maneuver".
    d. The vessel must be over 100 meters in length.
8102: INTERNATIONAL ONLY Which statement is TRUE concerning a vessel "constrained by her draft"?

    a. She is hampered because of her work.
    b. She is unable to maneuver due to some exceptional circumstance.
    c. She may be a vessel being towed.
    d. She must be a power-driven vessel.
8103: INTERNATIONAL ONLY Which vessel is NOT "restricted in her ability to maneuver"?

    a. A vessel servicing an aid to navigation
    b. A vessel constrained by her draft
    c. A towing vessel with tow, unable to deviate from its course
    d. A vessel engaged in dredging
8104: INTERNATIONAL ONLY Your vessel is constrained by her draft and operating in a narrow channel. Another vessel is crossing your course from starboard to port. You are in doubt as to her intentions. According to Rule 9, you __________.

    a. should sound one short blast to indicate that you are holding course and speed
    b. must sound one prolonged blast
    c. may sound the danger signal
    d. are required to back down
8105: INTERNATIONAL ONLY Your vessel is crossing a narrow channel. A vessel to port is within the channel and crossing your course. She is showing a black cylinder. You should __________.

    a. hold your course and speed
    b. not impede the other vessel
    c. exchange passing signals
    d. sound the danger signal
8111: INTERNATIONAL ONLY Your vessel is backing out of a slip in a harbor. Visibility is restricted. You should sound __________.

    a. one prolonged blast only
    b. one prolonged blast followed by three short blasts when the last line is taken aboard
    c. one prolonged blast followed by three short blasts when leaving the slip
    d. the danger signal
8113: INTERNATIONAL ONLY You are approaching another vessel and will pass safely starboard to starboard without changing course. You should __________.

    a. hold course and sound no whistle signal
    b. hold course and sound a two blast whistle signal
    c. change course to starboard and sound one blast
    d. hold course and sound one blast
8114: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a situation involving a fishing vessel and a vessel not under command?

    a. They are required to communicate by radiotelephone.
    b. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel.
    c. The fishing vessel must keep out of the way of the vessel not under command.
    d. Both vessels are required to take action to stay clear of each other.
8115: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?

    a. A vessel constrained by her draft
    b. A vessel restricted in her ability to maneuver
    c. A vessel pushing a barge
    d. A vessel engaged in fishing
8116: INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

    a. A vessel not under command
    b. A sailing vessel
    c. A vessel restricted in her ability to maneuver
    d. All of the above
8118: INTERNATIONAL ONLY A signal of intent must be sounded in international waters by __________.

    a. a vessel meeting another head-on
    b. a vessel overtaking another in a narrow channel
    c. a vessel crossing the course of another
    d. the give-way vessel in a crossing situation
8120: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

    a. all-round yellow light only
    b. all-round white light only
    c. all-round blue light only
    d. alternating red and yellow light
8121: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?

    a. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
    b. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
    c. A fishing vessel while underway has the right-of-way over a vessel constrained by her draft.
    d. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft.
8126: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

    a. all-round white or yellow light
    b. all-round yellow light only
    c. all-round white light only
    d. Any colored light is acceptable.
8127: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?

    a. A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing.
    b. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
    c. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft.
    d. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
8128: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?

    a. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
    b. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
    c. A vessel engaged in fishing shall keep out of the way of a sailing vessel.
    d. A vessel not under command shall keep out of the way of a vessel engaged in fishing.
8129: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?

    a. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
    b. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft.
    c. A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing.
    d. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
8131: INTERNATIONAL ONLY What characteristic must a light have if used to signal passing intentions?

    a. It must be an all-round white light.
    b. It must be an alternating blue and white light.
    c. It must be an all-round white or yellow light.
    d. It must be an alternating red and yellow light.
8135: INTERNATIONAL ONLY What characteristic must a light used to indicate passing intentions have?

    a. It must be an all-round red light.
    b. It must be an all-round white light.
    c. It must be an all-round yellow light.
    d. It can be either an all-round white or yellow light.
8136: INTERNATIONAL ONLY A power-driven vessel pushing ahead or towing alongside will show sidelights, a stern light, and __________.

    a. an all-round red light where it can best be seen
    b. two yellow masthead lights in a vertical line
    c. two masthead lights in a vertical line
    d. a single white light forward

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