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.


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 __________.


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 __________.


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


113: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.

    N a. show a flashing yellow light at each corner
    N b. show a white light at each corner
    N c. show a red light at the bow and stern
    Y d. not be required to be lighted

142: INLAND ONLY The special light for a vessel engaged in public safety activities must __________.

    N a. be on top of the mast or highest structure of the vessel
    Y b. not interfere with the visibility of the navigation lights
    N c. be as far forward as possible
    N d. not be visible more than 22 1/2 degrees abaft the beam

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

    N a. dredge working at anchor
    N b. dredge restricted in its ability to maneuver
    N c. 55-meter tug towing astern, length of tow exceeds 200 meters
    Y d. 65-meter tug towing astern, length of tow 150 meters

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 )

    Y a. ball-diamond-ball on the towing vessel
    N b. diamond on the towing vessel
    N c. diamond on the last barge
    N d. All 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 )

    Y a. maintain course and speed
    N b. alter course to the right or slowdown
    N c. sound one short blast and maintain course and speed
    N d. sound the danger signal and slow to moderate speed

4014: BOTH INTERNATIONAL & INLAND A power-driven vessel underway in fog making NO way must sound what signal?

    N a. One long blast
    Y b. Two prolonged blasts
    N c. One prolonged blast
    N d. One prolonged and two short blasts

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?

    N a. The one with the wind closest abeam
    N b. The one with the wind closest astern
    N c. The one to leeward
    Y d. The one to windward

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 __________.

    N a. stop your engines
    N b. sound two prolonged blasts of the whistle
    N c. sound the danger signal
    Y d. slow to bare steerageway

4227: BOTH INTERNATIONAL & INLAND An orange flag showing a black circle and square is a __________.

    N a. signal indicating a course change
    Y b. distress signal
    N c. signal of asking to communicate with another vessel
    N d. signal indicating danger

4366: BOTH INTERNATIONAL & INLAND Which vessel is a "vessel restricted in her ability to maneuver" under the Rules?

    Y a. A vessel mineclearing
    N b. A vessel engaged in fishing
    N c. A vessel at anchor
    N d. A vessel not under command

4405: BOTH INTERNATIONAL & INLAND A vessel underway but not making way and fishing other than trawling will show which lights?

    N a. A white light over a red light
    Y b. A red light over a white light
    N c. A white light over a red light, sidelights, and a stern light
    N d. A red light over a white light, sidelights, and a stern light

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 __________.

    Y a. turning to port
    N b. turning to starboard
    N c. decreasing speed
    N d. increasing speed

4456: BOTH INTERNATIONAL & INLAND What is the required fog signal for a manned vessel being towed at night?

    N a. One prolonged followed by one short blast
    Y b. One prolonged followed by three short blasts
    N c. One prolonged followed by two short blasts
    N d. Two prolonged blasts

4472: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

    N a. A seaplane must exhibit appropriate lights but need not exhibit shapes.
    N b. A seaplane should show the lights for a vessel constrained by her draft.
    N c. In situations where a risk of collision exists, a seaplane should always give way.
    Y d. A seaplane on the water shall, in general, keep well clear of all vessels.

4479: BOTH INTERNATIONAL & INLAND What signal indicates doubt that sufficient action is being taken by another vessel to avoid collision?

    Y a. Five short and rapid blasts of the whistle
    N b. Three long blasts of the whistle
    N c. Three short and rapid blasts of the whistle
    N d. One prolonged blast followed by three short blasts of the whistle

4533: BOTH INTERNATIONAL & INLAND In which situation do the Rules require both vessels to change course?

    Y a. Two power-driven vessels meeting head-on
    N 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
    N c. Two sailing vessels crossing with the wind on the same side
    N d. All of the above

4598: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.

    Y a. one prolonged and two short blasts at two-minute intervals
    N b. one prolonged and three short blasts at two-minute intervals
    N c. a rapid ringing of the bell for five seconds at one-minute intervals
    N d. a sounding of the bell and gong at one-minute intervals

4611: BOTH INTERNATIONAL & INLAND A vessel, which does not normally engage in towing operations, is towing a vessel in distress. She __________.

    Y a. need not show the lights for a vessel engaged in towing, if it is impractical to do so
    N b. may show the lights for a vessel not under command
    N c. must show a yellow light above the stern light
    N d. must show the lights for a vessel towing

4638: BOTH INTERNATIONAL & INLAND A power-driven vessel is underway and fishing with trolling lines. This vessel __________.

    Y a. must keep out of the way of sailing vessels
    N b. must sound a one prolonged, two short blasts signal in restricted visibility
    N c. is the stand-on vessel when overtaking power-driven vessels
    N 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?

    N a. 135.0
    N b. 112.5
    Y c. 67.5
    N d. 22.5

4689: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?

    N a. A sailing vessel
    N b. A vessel constrained by her draft
    Y c. A vessel restricted in her ability to maneuver
    N d. A vessel not under command

4703: BOTH INTERNATIONAL & INLAND A towing light is a yellow light having the same characteristics as a(n) __________.

    N a. special flashing light
    N b. anchor light
    Y c. stern light
    N d. masthead light

4725: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?

    N a. Any means of making an efficient sound signal
    N b. A bell only
    N c. A whistle only
    Y d. A bell and a whistle

4739: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?

    N a. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
    N b. A vessel not under command shall keep out of the way of a vessel engaged in fishing.
    Y 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.
    N d. A vessel engaged in fishing shall keep out of the way of a sailing vessel.

4827: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the requirements of the Rules when __________.

    N a. operating in restricted visibility
    N b. operating in a narrow channel
    Y c. necessary to avoid immediate danger
    N d. the Master enters it in the ship's log

5350: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.

    Y a. avoid anchoring in areas near the termination of the scheme
    N b. avoid crossing traffic lanes, but if obliged to do so, shall cross on as small an angle as is practical
    N c. only anchor in the separation zone
    N d. use the separation zone for navigating through the scheme if she is hindering other traffic due to her slower speed

8028: INTERNATIONAL ONLY In a crossing situation on international waters, a short blast by the give-way vessel indicates that the vessel __________.

    N a. is holding course and speed
    Y b. is turning to starboard
    N c. intends to pass port to port
    N d. will keep out of the way of the stand-on vessel