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.


12: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the steering and sailing rules, you should __________.


16: 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 __________.


182: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )

    N a. vessel under oars
    Y b. sailing vessel
    N c. law enforcement vessel
    N d. air-cushion vessel

212: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This indicates a vessel __________. (DIAGRAM 54 )

    Y a. engaged in fishing, making way
    N b. engaged in fishing, at anchor
    N c. engaged in trawling, making way
    N d. on pilotage duty, making way

219: INLAND ONLY You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST __________.

    N a. keep to that side of the channel which is on your vessel's port side
    N b. stop your vessel, letting the outbound vessel sound the signals for meeting and passing
    Y c. propose or answer one- or two-blast whistle signals given by the other vessel if passing within 1/2 mile
    N d. give the outbound vessel the right-of-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

228: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.

    N a. law enforcement
    Y b. patrolling a regatta
    N c. hauling in pairs
    N d. river bank protection

275: 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
    Y b. pass between the two sets of vertical red lights
    N c. stop until the red lights turn green
    N d. proceed leaving all the lights on your starboard side

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

    N a. yellow flashing light
    N b. red sidelight
    N c. green sidelight
    Y d. None of the above

370: INLAND ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, lights in addition to the towing identification lights must be shown. These additional lights shall be shown if the tow is __________.

    N a. pushed ahead
    N b. towed alongside
    N c. towed astern
    Y d. All of the above

402: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.

    N a. sailboat making way
    N b. power-driven vessel making way, towing
    Y c. power-driven vessel making way
    N d. vessel being towed

4030: BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a "vessel not under command" as a vessel which __________.

    N a. from the nature of her work is unable to keep out of the way of another vessel
    Y b. through some exceptional circumstance is unable to maneuver as required by the rules
    N c. by taking action contrary to the rules has created a special circumstance situation
    N d. is moored, aground or anchored in a fairway

4097: BOTH INTERNATIONAL & INLAND When navigating in restricted visibility, a power-driven vessel shall __________.

    N a. stop her engines when hearing a fog signal forward of her beam, even if risk of collision does not exist
    Y b. have her engines ready for immediate maneuver
    N c. when making way, sound one prolonged blast at intervals of not more than one minute
    N d. operate at a speed to be able to stop in the distance of her visibility

4110: BOTH INTERNATIONAL & INLAND Continuous sounding of a fog whistle by a vessel is a signal __________.

    N a. that the vessel is anchored
    N b. to request the draw span of a bridge to be opened
    Y c. of distress
    N d. that the vessel is broken down and drifting

4133: BOTH INTERNATIONAL & INLAND Which statement is TRUE when you are towing more than one barge astern at night?

    N a. Only the last barge in the tow must be lighted.
    N b. Only the first and last barges in the tow must be lighted.
    Y c. All barges in the tow must be lighted.
    N d. All barges, except unmanned barges, must be lighted.

4280: BOTH INTERNATIONAL & INLAND Vessels I and II are underway as shown. Vessel I is a sailing vessel with the wind dead aft. Vessel II is a power-driven vessel trawling. Which statement is TRUE? (DIAGRAM 33 )

    Y a. Vessel I is to keep clear because the other vessel is fishing.
    N b. Vessel II is to keep clear because she is a power-driven vessel.
    N c. Vessel II is to keep clear because the other vessel is to its starboard.
    N d. Both vessels are to take action to stay clear of each other.

4302: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound __________.

    N a. one long blast
    Y b. one prolonged blast
    N c. the danger signal
    N d. two short blasts

4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?

    Y a. A diamond
    N b. A cone
    N c. One black ball
    N d. Two black balls in a vertical line

4328: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape shown __________. (DIAGRAM 10 )

    N a. is at anchor
    N b. is not under command
    Y c. has a tow that exceeds 200 meters in length
    N d. has a tow that is carrying dangerous cargo

4342: BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited __________.

    Y a. from sunrise to sunset in restricted visibility
    N b. at all times
    N c. from sunset to sunrise, and at no other time
    N d. whenever a look-out is posted

4443: BOTH INTERNATIONAL & INLAND Which statement is TRUE in an overtaking situation?

    N a. An overtaking situation exists when one vessel is approaching another vessel from anywhere abaft the beam.
    N b. It is the duty of the vessel being overtaken to get out of the way.
    Y c. Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vessel.
    N d. All of the above

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

4603: BOTH INTERNATIONAL & INLAND In addition to sidelights what light should a vessel being towed astern show?

    Y a. A stern light
    N b. A masthead light
    N c. Not under command lights
    N d. Range lights

4606: BOTH INTERNATIONAL & INLAND A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?

    Y a. a diamond shape
    N b. two cones, apexes together
    N c. a black ball
    N d. one cone, apex upward

4651: BOTH INTERNATIONAL & INLAND Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?

    N a. The vessel which has the other on her own starboard side
    N b. The vessel which has the other on her own port side
    N c. The one which hears the other's fog signal first
    Y d. Neither vessel is the stand-on vessel.

4655: BOTH INTERNATIONAL & INLAND Which vessels shall turn off their sidelights?

    N a. All vessels that are not under command
    Y b. All fishing vessels that are not making way
    N c. All sailing vessels which are becalmed
    N d. All vessels engaged in underwater operations

4696: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.

    N a. engaged in pair trawling
    N b. fishing while making no way through the water
    Y c. more than 100 meters in length, at anchor
    N d. engaged on pilotage duty

4733: BOTH INTERNATIONAL & INLAND A distress signal __________.

    N a. consists of 5 or more short blasts of the fog signal apparatus
    N b. consists of the raising and lowering of a large white flag
    Y c. may be used separately or with other distress signals
    N d. is used to indicate doubt about another vessel's intentions

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