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.


44: INLAND ONLY What lights are required for a barge being pushed ahead, not being part of a composite unit?


103: INLAND ONLY Which light display would mark the opening in a pipeline where vessels could pass through?


149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.


186: BOTH INTERNATIONAL & INLAND You see the display of lights shown. It could be a __________. (DIAGRAM 54 )

    N a. pilot vessel with a motor launch alongside
    N b. fishing vessel adrift and fishing with handlines
    Y c. fishing vessel making way
    N d. dredge making way

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?

    Y a. Two
    N b. One
    N c. One, on the near approach of another vessel
    N 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?

    N a. None
    Y b. Two
    N c. One
    N d. One, on the near approach of another vessel

273: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )

    N a. wait until the vessel ahead crosses your bow
    N b. stop until the red lights turn green
    N c. proceed leaving all the lights on your starboard side
    Y d. pass between the two sets of vertical red lights

298: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )

    N a. vessel constrained by her draft
    N b. law enforcement vessel
    N c. vessel not under command
    Y d. vessel towing astern

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 )

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

4091: BOTH INTERNATIONAL & INLAND An authorized light to assist in the identification of submarines operating on the surface is a(n) __________.

    N a. blue rotating light
    Y b. intermittent flashing amber/yellow light
    N c. flashing white light
    N d. flashing sidelight

4134: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Which vessel is the stand-on vessel? (DIAGRAM 9 )

    N a. Vessel "A"
    Y b. Vessel "B"
    N c. Neither vessel
    N d. Both vessels must keep clear of the other.

4139: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel displaying two cones with the apexes together?

    N a. Sailing
    Y b. Trawling
    N c. Minesweeping
    N d. Dredging

4159: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a __________.

    N a. vessel not under command
    N b. vessel engaged in fishing
    N c. sailing vessel
    Y d. All of the above

4173: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a vessel __________.

    N a. not under command
    N b. restricted in her ability to maneuver
    N c. engaged in fishing
    Y d. All of the above

4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a barge being towed astern at night?

    N a. A white light at each corner
    N b. A white light fore and aft
    Y c. Sidelights and a stern light
    N d. A stern light only

4221: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds which fog signal?

    N a. Two short blasts every one minute
    N b. One short blast every one minute
    N c. Two prolonged blasts every two minutes
    Y d. One prolonged blast every two minutes

4286: BOTH INTERNATIONAL & INLAND A vessel which is underway at night and displaying the lights shown is __________. (DIAGRAM 69 )

    Y a. engaged in trawling
    N b. minesweeping
    N c. under sail
    N d. a pilot boat

4310: BOTH INTERNATIONAL & INLAND Which vessel is to be regarded as a vessel "restricted in her ability to maneuver"?

    N a. A vessel fishing with trawls
    N b. A vessel which has lost the use of her steering gear
    N c. A vessel with a draft of such depth that she cannot change her course
    Y d. A vessel engaged in mineclearing

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

4548: BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for sound signals?

    N a. A vessel of less than 12 meters in length need not have any sound signaling equipment.
    N b. Any vessel over 12 meters in length must be provided with a gong.
    Y c. Manual sounding of the bell and gong must always be possible.
    N d. Automatic sounding of the signals is not permitted.

4594: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include __________.

    Y a. state of wind, sea, and current, and the proximity of navigational hazards
    N b. maximum attainable speed of your vessel
    N c. temperature
    N d. aids to navigation that are available

4628: BOTH INTERNATIONAL & INLAND A sailing vessel displaying the day-shape shown is indicating that she is __________. (DIAGRAM 35 )

    Y a. being propelled by power as well as sail
    N b. on a starboard tack
    N c. close-hauled and has difficulty maneuvering
    N d. fishing as well as sailing

4732: INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.

    N a. trolling
    N b. fishing in a traffic separation zone
    Y c. in close proximity to other vessels engaged in fishing
    N d. in a narrow channel

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.

4845: BOTH INTERNATIONAL & INLAND What represents the length of a vessel as defined by the Rules? (DIAGRAM 86 )

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

4869: BOTH INTERNATIONAL & INLAND Power-driven vessels must keep out of the way of sailing vessels except __________.

    N a. in a crossing situation
    N b. when they are making more speed than the power-driven vessel
    Y c. when the sailing vessel is overtaking
    N d. on the Inland Waters of the United States

8039: INTERNATIONAL ONLY When vessels are in sight of one another, two short blasts from one of the vessels means __________.

    N a. "I am altering my course to starboard"
    Y b. "I am altering my course to port"
    N c. "I intend to change course to starboard"
    N d. "I intend to change course to port"

8067: INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

    N a. A vessel not under command
    Y b. A fishing vessel
    N c. A vessel restricted in her ability to maneuver
    N d. All of the above

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 __________.

    N a. sidelights combined in a single lantern, only
    N b. an all-round flashing yellow light, only
    Y c. one all-round white light, only
    N d. a lantern showing a white light exhibited in sufficient time to prevent collision, only

8115: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?

    N a. A vessel constrained by her draft
    N b. A vessel restricted in her ability to maneuver
    Y c. A vessel pushing a barge
    N d. A vessel engaged in fishing