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.


33: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "inland waters" includes __________.


69: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.


129: INLAND ONLY You are proceeding in a channel in inland waters and are meeting an outbound vessel. Your responsibilities include __________.


163: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.

    N a. flashing yellow light
    N b. flashing blue light
    N c. alternately flashing blue and red light
    Y d. alternately flashing red and yellow light

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

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

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 )

    N a. Both vessels should continue on course and pass without sounding any whistle signals.
    N b. The vessels must exchange two blast whistle signals and pass port to port.
    N c. The vessels must exchange one blast whistle signals and pass starboard to starboard
    Y d. The vessels may reach agreement by radiotelephone and sound no whistle signal.

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 )

    N a. "I intend to overtake you on my port side"
    N b. "I am operating astern propulsion"
    N c. "I intend to leave you on my starboard side"
    Y d. None of the above

393: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    Y a. sailing vessel
    N b. vessel on pilotage duty
    N c. vessel engaged in fishing
    N d. power-driven vessel

393: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )

    Y a. sailing vessel
    N b. vessel on pilotage duty
    N c. vessel engaged in fishing
    N d. power-driven vessel

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

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 __________.

    N a. a short blast
    Y b. a prolonged blast
    N c. one short, one prolonged, and one short blast
    N d. a long blast

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 __________.

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

4195: BOTH INTERNATIONAL & INLAND All of the following vessels are "restricted in their ability to maneuver" EXCEPT a vessel __________.

    N a. laying a pipeline
    N b. dredging
    N c. mineclearing
    Y d. not under command

4285: BOTH INTERNATIONAL & INLAND While underway in fog you hear another vessel sounding two prolonged blasts every two minutes. This signal indicates a vessel __________.

    N a. making way through the water
    N b. towing
    Y c. drifting
    N d. anchored

4325: BOTH INTERNATIONAL & INLAND A vessel aground in fog shall sound, in addition to the proper anchor signal, which of the following?

    N a. Three strokes on the gong before and after sounding the anchor signal
    Y b. Three strokes on the bell before and after the anchor signal
    N c. Four short blasts on the whistle
    N d. One prolonged and one short blast on the whistle

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 __________.

    N a. at anchor, giving warning
    Y b. aground
    N c. at anchor, greater than 100 meters
    N d. not under command at anchor

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 __________.

    N a. her draft
    Y b. the nature of her work
    N c. some exceptional circumstances
    N d. a danger of navigation

4386: BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. This bell indicates a __________.

    Y a. vessel at anchor
    N b. vessel in distress
    N c. sailboat underway
    N d. vessel backing out of a berth

4442: BOTH INTERNATIONAL & INLAND Which vessel shall not impede the passage of a vessel which can only navigate inside a narrow channel?

    Y a. A vessel of less than 20 meters in length
    N b. A vessel not under command
    N c. A vessel engaged in surveying
    N d. All of the above

4457: BOTH INTERNATIONAL & INLAND If you anchor your 25-meter vessel in a harbor, what light(s) must you show?

    Y a. One all-round white light
    N b. Two all-round white lights
    N c. One all-round red light
    N d. All the deck house lights

4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is required to show sidelights and a stern light only when __________.

    N a. anchored
    N b. underway
    N c. dead in the water
    Y d. underway and making way

4560: BOTH INTERNATIONAL & INLAND When towing more than one barge astern at night __________.

    N a. only the last barge on the tow must be lighted
    N b. only the first and the last barges in the tow must be lighted
    Y c. each barge in the tow must be lighted
    N d. only manned barges must be lighted

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 __________.

    N a. sound passing signals
    N b. not sound any signal until you sight the other vessel
    Y c. sound a prolonged blast
    N d. sound the danger signal

4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.

    N a. vessel being towed
    N b. fishing vessel engaged in trawling
    N c. vessel at anchor warning of her location
    Y d. power-driven pilot vessel on station underway

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?

    N a. She must be in sight of the give-way vessel.
    N b. There must be risk of collision.
    N c. She must determine that the give-way vessel is not taking appropriate action.
    Y d. All of the above

4662: BOTH INTERNATIONAL & INLAND Vessel "A" (towing) and vessel "B" are meeting as shown. In this situation, which statement is TRUE? (DIAGRAM 12 )

    Y a. Both vessels should alter course to starboard and pass port to port.
    N b. Both vessels should alter course to port and pass starboard to starboard.
    N c. Vessel "A" should hold course while vessel "B" alters course to starboard.
    N d. Vessel "A" is the stand-on in this situation.

8008: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel which intends to pass on the other vessel's port side would sound __________.

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

8054: INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?

    Y a. She is severely restricted in her ability to change her course because of her draft in relation to the available depth of water.
    N b. The term applies only to vessels in marked channels.
    N c. She is designated as a "vessel restricted in her ability to maneuver".
    N d. The vessel must be over 100 meters in length.

8098: INTERNATIONAL ONLY If at night a vessel displays three all-round red lights in a vertical line, during the day she may show __________.

    N a. two cones, base to base
    N b. three black balls in a vertical line
    Y c. a cylinder
    N d. a cone, apex downward

8111: INTERNATIONAL ONLY Your vessel is backing out of a slip in a harbor. Visibility is restricted. You should sound __________.

    Y a. one prolonged blast only
    N b. one prolonged blast followed by three short blasts when the last line is taken aboard
    N c. one prolonged blast followed by three short blasts when leaving the slip
    N d. the danger signal