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.


23: INLAND ONLY Passing signals shall be sounded on inland waters by __________.


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


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


55: INLAND ONLY The lights shown are those of a __________. (DIAGRAM 75 )

    N a. pipeline
    Y b. vessel pushing ahead
    N c. vessel being towed astern
    N d. vessel underway and dredging

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

    N a. A vessel engaged in mineclearing operations
    Y b. A vessel constrained by her draft
    N c. A vessel towing
    N d. A vessel engaged in fishing

133: INLAND ONLY A power-driven vessel operating in a narrow channel with a following current on the Great Lakes or Western Rivers is meeting an upbound vessel. Which statement is TRUE?

    Y a. The downbound vessel has the right of way.
    N b. The upbound vessel must initiate the required maneuvering signals.
    N c. The upbound vessel must propose the manner of passing.
    N d. All of the above

237: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )

    Y a. no whistle signal
    N b. two short blasts
    N c. two prolonged blasts followed by two short blasts
    N d. at least five short and rapid blasts

339: 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 )

    N a. one prolonged, one short, one prolonged and one short blasts
    N b. two short blasts
    Y c. one short blast
    N d. None of the above

353: 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. This signal means __________. (DIAGRAM 42 )

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

385: INLAND ONLY Which statement is TRUE concerning the fog signal of a canal boat 25 meters in length, anchored in a "special anchorage area" approved by the Secretary?

    Y a. The vessel is not required to sound a fog signal.
    N b. The vessel shall ring a bell for 5 seconds every minute.
    N c. The vessel shall sound one blast of the whistle every 2 minutes.
    N d. The vessel shall sound three blasts on the whistle every 2 minutes.

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

4144: BOTH INTERNATIONAL & INLAND At night, a vessel which is less than 7 meters in length and anchored in an area where other vessels do not normally navigate is __________.

    Y a. not required to show any anchor lights
    N b. required to show a flare-up light
    N c. required to show one white light
    N d. required to show sidelights and a stern light

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

4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 82 )

    N a. sailing
    Y b. fishing
    N c. a pilot boat
    N d. anchored

4406: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds three short blasts on the whistle. This signal means that vessel "A" __________. (DIAGRAM 42 )

    N a. intends to hold course and speed
    N b. is sounding the danger signal
    Y c. is backing engines
    N d. proposes to cross ahead of the other vessel

4435: BOTH INTERNATIONAL & INLAND Which procedure(s) shall be used to determine risk of collision?

    N a. Watching the compass bearing of an approaching vessel
    N b. Systematic observation of objects detected by radar
    N c. Long-range radar scanning
    Y d. All of the above

4445: BOTH INTERNATIONAL & INLAND Which vessel must show a towing light above the stern light?

    N a. A vessel pushing three barges ahead
    N b. A vessel towing alongside
    Y c. A vessel with a 150-meter tow astern
    N d. None of the above

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.

4550: BOTH INTERNATIONAL & INLAND Which statement concerning an overtaking situation is correct?

    N a. The overtaking vessel is the stand-on vessel.
    N b. Neither vessel is the stand-on vessel.
    N c. The overtaking vessel must maintain course and speed.
    Y d. The overtaking vessel must keep out of the way of the other.

4585: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. What lights would you expect to see?

    N a. Red and green sidelights
    N b. Two white lights
    N c. One white light and red and green sidelights
    Y d. One white light

4608: BOTH INTERNATIONAL & INLAND A vessel showing a rigid replica of the International Code flag "A" is engaged in __________.

    Y a. diving operations
    N b. dredging
    N c. fishing
    N d. mineclearance operations

4631: BOTH INTERNATIONAL & INLAND Two barges are being pushed ahead by a tugboat. Which statement is TRUE concerning lights on the barges?

    N a. Each vessel should show sidelights.
    N b. Each vessel should show at least one white light.
    N c. The barges should be lighted as separate units.
    Y d. The barges should be lighted as one vessel.

4649: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in one combined lantern?

    N a. A 10-meter power-driven vessel
    N b. A 15-meter vessel propelled by sail and machinery
    Y c. A 10-meter sailing vessel
    N d. All of the above

4658: BOTH INTERNATIONAL & INLAND A 60-meter vessel which is trawling is required to show how many white masthead lights at night?

    Y a. 1
    N b. 2
    N c. 3
    N d. 4

4661: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?

    N a. By day, she shall carry a black cylinder shape.
    N b. By day, she shall carry two black balls in a vertical line.
    N c. By night, she would show the same lights as a vessel not under command.
    Y d. By day, she would show the same shapes as a vessel restricted in her ability to maneuver.

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

4873: 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 vessel __________.

    N a. not under command
    N b. restricted in her ability to maneuver
    Y c. engaged in towing
    N d. fishing

6510: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

    Y a. take all way off, if necessary
    N b. stop your engines
    N c. begin a radar plot
    N d. All of the above

8020: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.

    N a. towing
    N b. constrained by her draft
    N c. under sail
    Y d. All of the above

8070: INTERNATIONAL ONLY In addition to her running lights, an underway vessel constrained by her draft may carry in a vertical line __________.

    N a. a red light, a white light, and a red light
    N b. two red lights
    N c. two white lights
    Y d. three red lights