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.
19: 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?
N a. The downbound vessel has the right-of-way. N b. The downbound vessel must initiate the required maneuvering signals. N c. The downbound vessel must propose the manner and place of passage. Y d. All of the above 44: INLAND ONLY What lights are required for a barge being pushed ahead, not being part of a composite unit?
N a. Sidelights and a stern light Y b. Sidelights and a special flashing light N c. Sidelights, a towing light, and a stern light N d. Sidelights, a special flashing light, and a stern light 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 200: INLAND ONLY A partially submerged object towed by a vessel must show during the day one __________.
Y a. diamond shape regardless of length of the tow N b. diamond shape only when the length of the tow exceeds 200 meters in length N c. black ball N d. black ball only when the length of the tow exceeds 200 meters in length 227: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
Y a. alternately flashing red and yellow light N b. flashing blue light N c. flashing yellow light N d. alternately flashing blue and red light 235: INLAND ONLY Vessel "A" is power-driven and overtaking power-driven vessel "B" as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )
N a. one short blast Y b. two short blasts N c. one prolonged blast N d. no signal 279: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )
N a. visible for at least one mile Y b. visible at night and during periods of restricted visibility N c. more than 50 meters apart N d. flashing at intervals of 120 flashes per minute 287: BOTH INTERNATIONAL & INLAND The lead vessel shown is a __________. (DIAGRAM 24 )
N a. dredge N b. sailing vessel N c. power-driven vessel pushing ahead Y d. None of the above 313: INLAND ONLY You see the lights shown while proceeding in a channel. Where should you pass? (DIAGRAM 85 )
Y a. A N b. B N c. C N d. D 349: 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 sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. one short blast N c. two short blasts Y d. None of the above 4072: BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and __________.
Y a. one masthead light and a stern light N b. two masthead lights and a stern light N c. three masthead lights and a stern light N d. a stern light ONLY 4175: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 57 )
Y a. restricted in her ability to maneuver and not making way N b. engaged in fishing and not making way N c. a pilot vessel underway and making way on pilotage duty N d. towing and making way 4192: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel fishing with nets shall sound at intervals of two minutes __________.
N a. one prolonged blast Y b. one prolonged followed by two short blasts N c. one prolonged followed by three short blasts N d. two prolonged blasts in succession 4213: BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
N a. When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel. N b. A vessel at anchor may sound one short, one prolonged, and one short blast. N c. A pilot vessel may sound an identity signal on the whistle. Y d. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute. 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 4341: BOTH INTERNATIONAL & INLAND On open water, a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel's starboard side. Which vessel is the stand-on vessel?
N a. The fishing vessel because it is to port of the sailing vessel. Y b. The fishing vessel because it is fishing. N c. The sailing vessel because it is to starboard of the fishing vessel. N d. The sailing vessel because it is sailing. 4377: BOTH INTERNATIONAL & INLAND The term "prolonged blast" means a blast of __________.
N a. two to four seconds duration Y b. four to six seconds duration N c. six to eight seconds duration N d. eight to ten seconds duration 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 4423: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?
Y a. The vessel may be using nets, lines, or trawls. N b. The vessel may be trolling. N c. The vessel shows 2 lights in a vertical line, white over red. N d. The vessel sounds the same fog signal as a vessel underway, making no way. 4471: BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to deviate from their course shall, when making way, show __________.
N a. the masthead lights for a towing vessel N b. the lights for a vessel restricted in its ability to maneuver N c. sidelights, stern light and towing light Y d. All of the above 4475: BOTH INTERNATIONAL & INLAND A self-propelled dredge not engaged in dredging but proceeding to a dredging location at night would __________.
N a. not be required to show any lights N b. be required to show the lights characteristic of a dredge N c. be required to show the lights of a stationary dredge Y d. be required to show the lights of a power-driven vessel underway 4502: 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 N c. in a narrow channel Y d. in close proximity to other vessels engaged in fishing 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. 4569: BOTH INTERNATIONAL & INLAND When two power-driven vessels are crossing, the vessel which has the other to starboard must keep out of the way if __________.
N a. she is the faster vessel Y b. the situation involves risk of collision N c. the vessels will pass within half a mile of each other N d. whistle signals have been sounded 4573: BOTH INTERNATIONAL & INLAND A power-driven vessel shows the same lights as a __________.
N a. vessel engaged in towing, when not underway N b. vessel towing astern N c. sailing vessel Y d. pushing vessel and a vessel being pushed, when they are rigidly connected in a composite unit 4844: BOTH INTERNATIONAL & INLAND What does the word "breadth" mean in the Rules?
N a. Breadth on the uppermost continuous deck N b. Molded breadth Y c. Greatest breadth N d. Breadth at the load waterline 4848: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.
N a. radio communications that are available N b. maximum speed of your vessel N c. temperature Y d. current 6520: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
N a. vessel not under command Y b. vessel at anchor N c. vessel towing N d. All of the above 8046: INTERNATIONAL ONLY A vessel sounds two short blasts. This signal indicates the vessel __________.
N a. intends to alter course to port N b. intends to pass starboard to starboard Y c. is altering course to port N d. will alter course to port 8052: INTERNATIONAL ONLY Two power-driven vessels are meeting. A two blast whistle signal by either vessel means __________.
N a. "I intend to alter course to port" N b. "I desire to pass starboard to starboard" N c. "I desire to pass port to port" Y d. "I am altering course to port"