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.
83: INLAND ONLY If your tug is pushing a barge ahead at night and it is not a composite unit, which light(s) should show aft on your vessel?
N a. A white stern light N b. Two red lights Y c. Two towing lights N d. A towing light over the stern light 112: 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 Y c. pass between the two sets of vertical red lights N d. proceed, leaving all the lights on your starboard side 117: INLAND ONLY Which is a characteristic of a "special flashing light"?
N a. It is required for all vessels being pushed ahead as part of a composite unit. Y b. It must show through an arc of not less than 180° nor more than 225°. N c. It must be of the same character and construction as the masthead light. N d. All of the above 124: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?
N a. Towing light Y b. Vessel constrained by her draft N c. In sight N d. Restricted visibility 177: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )
N a. dredge working at anchor N b. dredge restricted in its ability to maneuver N c. 55-meter tug towing astern, length of tow exceeds 200 meters Y d. 65-meter tug towing astern, length of tow 150 meters 261: INLAND ONLY While underway and in sight of another vessel forward of your beam more than 0.5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
N a. You must sound three short blasts on the whistle. N b. You must sound one blast if backing to starboard. N c. You must sound whistle signals only if the vessels are meeting. Y d. You need not sound any whistle signals. 379: BOTH INTERNATIONAL & INLAND A seagoing tug has a tow greater than 200 meters as shown and is severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )
Y a. Three white masthead lights, red-white-red all-round lights, sidelights, stern light and a towing light N b. Three white masthead lights, red-white-red all-round lights, sidelights and two towing lights N c. Three white masthead lights, two all-round red lights, sidelights, stern light and a towing light N d. None of the above 388: BOTH INTERNATIONAL & INLAND Lighting requirements in inland waters are different from those in international waters for __________.
N a. barges being pushed ahead N b. vessels being towed alongside N c. vessels pushing ahead Y d. All of the above 4135: BOTH INTERNATIONAL & INLAND A vessel is being propelled both by sail and by engines. Under the Rules, the vessel is __________.
N a. a "special circumstance" vessel N b. not covered under any category N c. a sail vessel Y d. a power-driven vessel 4141: BOTH INTERNATIONAL & INLAND While underway and towing, your vessel enters fog. Which fog signal should you sound?
N a. One prolonged blast N b. Two prolonged blasts Y c. One prolonged blast and two short blasts N d. Three distinct blasts 4142: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing must display a light in the direction of any gear that extends outward more than 150 meters. The color of this light is __________.
Y a. white N b. green N c. red N d. yellow 4168: BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.
N a. 10 minutes Y b. 1 minute N c. 1 hour N d. 3 minutes 4171: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing, and at anchor, shall show __________.
N a. an anchor light N b. sidelights and a stern light N c. three lights in a vertical line, the highest and lowest being red, and the middle being white Y d. None 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 4247: BOTH INTERNATIONAL & INLAND What day-shape is to be shown by a vessel aground?
N a. A cylinder N b. Two cones with their apexes together N c. Two black balls in a vertical line Y d. Three black balls in a vertical line 4255: BOTH INTERNATIONAL & INLAND A stand-on vessel in a crossing situation is allowed to take action when __________.
N a. on a collision course N b. the vessels will pass within one mile Y c. it becomes apparent to her that the give-way vessel is not taking appropriate action N d. the relative speed of the vessels indicates collision in less than six minutes 4387: BOTH INTERNATIONAL & INLAND An overtaking situation would be one in which one vessel is approaching another from more than how many degrees abaft the beam?
N a. 0° N b. 10° Y c. 22.5° N d. None of the above 4408: BOTH INTERNATIONAL & INLAND A fishing vessel displaying the lights shown is __________. (DIAGRAM 67 )
N a. anchored N b. underway but not fishing N c. tending a small fishing boat Y d. fishing by trawling 4469: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal in fog if she is __________.
N a. aground Y b. at anchor N c. not under command N d. no longer on pilotage duty 4577: BOTH INTERNATIONAL & INLAND Which statement about the Navigation Rules is TRUE?
N a. The rules require vessels to comply with Traffic Separation Scheme regulations. N b. The rules use the term "safe speed." N c. The Rules permit a stand-on vessel to take action prior to being in extremis. Y d. All of the above are correct. 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 4666: BOTH INTERNATIONAL & INLAND Which vessel must have a gong, or other equipment which will make the sound of a gong?
N a. A sailing vessel N b. Any vessel over 50 meters N c. A power driven vessel over 75 meters Y d. Any vessel over 100 meters 4690: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?
N a. A vessel engaged in fishing, at anchor N b. A vessel restricted in its ability to maneuver, at anchor Y c. A sailing vessel, at anchor N d. All of the above 4705: BOTH INTERNATIONAL & INLAND In complying with the Rules, of what must the mariner take due regard?
N a. Limited backing power of his vessel N b. Radar information about nearby vessels N c. The occupation of the other vessel, if known Y d. All of the above 4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
N a. The vessel making the most speed is the give-way vessel. Y b. A sailing vessel overtaking another is the give-way vessel. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
N a. The vessel making the most speed is the give-way vessel. Y b. A sailing vessel overtaking another is the give-way vessel. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 4876: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
N a. sound two prolonged blasts followed by one short blast Y b. not cross the channel if you might impede the other vessel N c. sound three short blasts, and take all way off your vessel N d. hold your course and speed if he is on your port bow 8081: INTERNATIONAL ONLY The light which may be used with a vessel's whistle must be __________.
N a. used when the whistle is broken Y b. a white light N c. used only at night N d. used prior to sounding the whistle 8100: INTERNATIONAL ONLY The International Rules of the Road apply __________.
N a. to all waters N b. to any waters inside the territorial waters of the U.S. N c. only to waters where foreign vessels travel Y d. upon the high seas and connecting waters navigable by seagoing vessels