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.


29: INLAND ONLY A fleet of moored barges extends into a navigable channel. What is the color of the lights on the barges?


76: INLAND ONLY A special flashing light is used on a vessel(s) __________.


145: INLAND ONLY A light used to signal passing intentions must be a(n) __________.


176: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )

    Y a. 40-meter tug with tow exceeding 200 meters
    N b. tug unable to maneuver as required by the Rules
    N c. range marking a channel beneath a drawbridge
    N d. 60-meter tug pushing a barge ahead

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 )

    N a. A
    N b. B
    Y c. C
    N d. D

191: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )

    N a. bow of a barge being pushed ahead
    N b. stern of a barge being towed astern
    N c. masthead of a tug towing astern
    Y d. stern of a tug pushing ahead

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"?

    N a. None
    N b. 3
    Y c. 2
    N d. 1

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?

    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.

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

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

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 )

    N a. yellow towing light
    Y b. white stern light
    N c. green sidelight
    N d. None of the above

294: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )

    N a. a submarine on the surface
    N b. sailing vessel
    N c. a vessel not under command
    Y d. None of the above

325: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )

    N a. white masthead light
    N b. red sidelight
    Y c. green sidelight
    N d. stern light

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 )

    N a. NW
    Y b. SE
    N c. SW
    N d. NW

821: INLAND ONLY One and two short blast signals must be sounded on inland waters when __________.

    N a. two sailing vessels are in sight of one another and meeting at a distance of one quarter mile
    N b. two power-driven vessels are in sight of one another and will cross at a distance of one mile
    N c. two power-driven vessels are crossing within half a mile of each other and NOT in sight of each other
    Y d. Two power-driven vessel are in sight of one another and are meeting at a distance of one half mile

4055: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel change course and speed?

    N a. The stand-on vessel may change course and speed at any time as it has the right-of-way
    N b. After the give-way vessel sounds one blast in a crossing situation
    Y c. When action by the give-way vessel alone cannot prevent collision
    N d. When the two vessels become less than half a mile apart

4121: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT required to keep out of the way of a __________.

    Y a. power-driven vessel
    N b. vessel not under command
    N c. vessel restricted in her ability to maneuver
    N d. vessel engaged in fishing

4332: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. You may hold your course and speed until __________.

    N a. the other vessel takes necessary action
    N b. the other vessel gets to within half a mile of your vessel
    Y c. action by the give-way vessel alone will not prevent collision
    N d. the other vessel gets to within a quarter mile of your vessel

4402: BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.

    Y a. ball
    N b. cone
    N c. cylinder
    N d. double cone, apexes together

4411: BOTH INTERNATIONAL & INLAND For the purpose of the Rules, except where otherwise required, the term __________.

    Y a. "vessel" includes seaplanes
    N b. "seaplane" includes nondisplacement craft
    N c. "vessel engaged in fishing" includes a vessel fishing with trolling lines
    N d. "vessel restricted in her ability to maneuver" includes fishing vessels

4503: BOTH INTERNATIONAL & INLAND Which vessel must show a masthead light abaft of and higher than her identifying lights?

    N a. A 55-meter vessel fishing
    Y b. A 55-meter vessel trawling
    N c. A 100-meter vessel not under command
    N d. A 20-meter vessel engaged on pilotage duty

4530: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a partly submerged vessel being towed?

    N a. It must show a yellow light at each end.
    N b. It will show red lights along its length.
    Y c. A diamond shape will be carried at the aftermost extremity of the tow.
    N d. All of the above

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 __________.

    N a. maintain course
    N b. alter course to port
    N c. alter course to ensure a starboard to starboard passing
    Y d. maneuver to ensure a port to port passing

4671: BOTH INTERNATIONAL & INLAND Which statement is true concerning the light used to accompany whistle signals?

    Y a. It is only used to supplement short blasts of the whistle.
    N b. It is mandatory to use such a light.
    N c. The light shall have the same characteristics as a masthead light.
    N d. All of the above

4723: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown. This could be a __________. (DIAGRAM 45 )

    N a. vessel engaged in fishing at anchor
    N b. pilot vessel on pilotage duty
    N c. vessel engaged in launching or recovering aircraft
    Y d. power-driven vessel underway

4726: BOTH INTERNATIONAL & INLAND A tug is towing three unmanned barges astern in fog. The third vessel of the tow should sound __________.

    Y a. no fog signal
    N b. one short blast
    N c. one prolonged and three short blasts
    N d. one prolonged, one short, and one prolonged blast

4861: BOTH INTERNATIONAL & INLAND When navigating in thick fog with the radar on, you should __________.

    N a. station the look-out in the wheelhouse to keep a continuous watch on the radar
    N b. secure the sounding of fog signals until a vessel closes within five miles
    Y c. station a look-out as low down and far forward as possible
    N d. keep the radar on the shortest available range for early detection of approaching vessels

4875: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel being towed, if manned, shall sound a signal of __________.

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

5000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.

    Y a. sound only fog signals until the other vessel is sighted
    N b. not sound any whistle signals until the other vessel is sighted
    N c. sound two blasts and change course to the left
    N d. sound whistle signals only if you change course

5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.

    N a. cross a traffic lane
    N b. engage in fishing the separation zone
    Y c. proceed in an inappropriate traffic lane
    N d. enter the separation zone

8087: INTERNATIONAL ONLY Lighting requirements in inland waters are different from those for international waters for __________.

    Y a. barges being pushed ahead
    N b. vessels restricted in their ability to maneuver
    N c. vessels towing astern
    N d. barges being towed astern