USCG Rules of the Road: Master's License

This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.


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 )


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 )


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 __________.


74: INLAND ONLY Which term is NOT used in the Inland Navigation Rules?

    N a. A vessel engaged in mineclearing operations
    Y b. A vessel constrained by her draft
    N c. A vessel towing
    N d. A vessel engaged in fishing

79: INLAND ONLY On the Western Rivers, a power-driven vessel crossing a river must __________.

    N a. maintain course and speed as you have the right of way over all vessels
    N b. keep out of the way of any vessel descending the river
    Y c. keep out of the way of a power-driven vessel ascending or descending the river
    N d. None of the above

79: INLAND ONLY On the Western Rivers, a power-driven vessel crossing a river must __________.

    N a. maintain course and speed as you have the right of way over all vessels
    N b. keep out of the way of any vessel descending the river
    Y c. keep out of the way of a power-driven vessel ascending or descending the river
    N d. None of the above

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 __________.

    N a. pass the other vessel along her starboard side
    N b. sound five short and rapid blasts and pass along her starboard side
    Y c. not overtake the other vessel until both vessels exchange the same passing signal
    N d. not overtake the other vessel until she sounds another five short and rapid blast signal

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?

    Y a. The downbound vessel has the right of way.
    N b. The upbound vessel must initiate the required maneuvering signals.
    N c. The upbound vessel must propose the manner of passing.
    N d. All of the above

229: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________. (DIAGRAM 17 )

    N a. overtaken vessel
    Y b. give-way vessel
    N c. stand-on vessel
    N d. None of the above

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 )

    N a. not answer the whistle signals from vessel "B"
    N b. maintain course and speed
    Y c. not impede the passage of vessel "B"
    N d. sound one prolonged followed by two short blasts

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 )

    Y a. sound one short blast and hold course and speed
    N b. hold course and speed and sound no signal
    N c. sound one short blast and slow down or turn to starboard
    N d. sound the danger signal and slow to moderate speed

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?

    N a. You must sound three short blasts on the whistle.
    N b. You must sound one blast if backing to starboard.
    N c. You must sound whistle signals only if the vessels are meeting.
    Y d. You need not sound any whistle signals.

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 )

    N a. one prolonged, one short, one prolonged and one short blasts
    N b. one short blast
    N c. two short blasts
    Y d. None 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 )

    N a. Vessel "A" because it is towing
    N b. Vessel "A" because it is to starboard of vessel "B"
    Y c. Vessel "B" because it is sailing
    N d. Vessel "B" because it is to port of vessel "A"

4098: BOTH INTERNATIONAL & INLAND You can indicate that your vessel is in distress by __________.

    N a. displaying a large red flag
    N b. displaying three black balls in a vertical line
    N c. sounding four or more short rapid blasts on the whistle
    Y d. continuously sounding the fog whistle

4127: BOTH INTERNATIONAL & INLAND A vessel will NOT show sidelights when __________.

    N a. underway but not making way
    N b. making way, not under command
    Y c. not under command, not making way
    N d. trolling underway

4162: BOTH INTERNATIONAL & INLAND A vessel at night, displaying the lights shown is __________. (DIAGRAM 83 )

    N a. fishing
    Y b. not under command
    N c. towing
    N d. being towed

4204: BOTH INTERNATIONAL & INLAND Fog signals, required under the Rules for vessels underway, shall be sounded __________.

    N a. only on the approach of another vessel
    N b. only when vessels are in sight of each other
    N c. at intervals of not more than one minute
    Y d. at intervals of not more than two minutes

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 __________.

    N a. keep to the starboard side of the channel and sound one short blast
    N b. sound the danger signal
    Y c. sound one prolonged blast
    N d. slow your vessel to bare steerageway

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 __________.

    N a. underway and dredging
    N b. pushing ahead or towing alongside
    Y c. towing astern
    N d. a pilot vessel

4305: BOTH INTERNATIONAL & INLAND In fog, a vessel being towed, if manned, shall sound a fog signal of __________.

    N a. two short blasts
    N b. three short blasts
    N c. one prolonged and two short blasts
    Y d. one prolonged and three short blasts

4430: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a fog signal of one prolonged followed by two short blasts?

    N a. A vessel engaged in dredging
    N b. A sailing vessel
    Y c. A vessel being towed
    N d. A vessel engaged in fishing

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?

    N a. Both vessels must be power-driven.
    N b. They must be meeting on reciprocal or nearly reciprocal courses.
    N c. The situation must involve risk of collision.
    Y d. All of the above

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 __________.

    N a. 30-meter sail vessel at anchor
    N b. 150-meter power-driven vessel aground
    N c. vessel in distress
    Y d. 300-meter power-driven vessel at anchor

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 __________.

    N a. turn to port
    Y b. turn to starboard
    N c. maintain course and speed and sound the danger signal
    N d. maintain course and speed and sound no signal

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 __________.

    N a. hold your course and speed
    N b. sound the danger signal
    Y c. not cross the channel if you might impede the other vessel
    N d. initiate an exchange of passing signals

4688: BOTH INTERNATIONAL & INLAND What is the fog signal for a vessel 75 meters in length, restricted in her ability to maneuver, at anchor?

    Y a. One prolonged blast followed by two short blasts at intervals of not more than two minutes
    N b. Five second ringing of a bell at intervals of not more than one minute
    N c. Four short blasts at intervals of not more than two minutes
    N d. Five second ringing of a bell and five second sounding of a gong at intervals of not more than one minute

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 __________.

    N a. sound two prolonged blasts followed by one short blast
    Y b. not cross the channel if you might impede the other vessel
    N c. sound three short blasts, and take all way off your vessel
    N d. hold your course and speed if he is on your port bow

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 __________.

    N a. sound two prolonged blasts followed by one short blast
    Y b. not cross the channel if you might impede the other vessel
    N c. sound three short blasts, and take all way off your vessel
    N d. hold your course and speed if he is on your port bow

8113: INTERNATIONAL ONLY You are approaching another vessel and will pass safely starboard to starboard without changing course. You should __________.

    Y a. hold course and sound no whistle signal
    N b. hold course and sound a two blast whistle signal
    N c. change course to starboard and sound one blast
    N d. hold course and sound one blast