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.
108: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your first whistle signal should be __________.
N a. two prolonged blasts followed by one short blast N b. two prolonged blasts followed by two short blasts N c. one short blast Y d. two short blasts 142: INLAND ONLY The special light for a vessel engaged in public safety activities must __________.
N a. be on top of the mast or highest structure of the vessel Y b. not interfere with the visibility of the navigation lights N c. be as far forward as possible N d. not be visible more than 22 1/2 degrees abaft the beam 171: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )
N a. vessel being overtaken N b. vessel meeting head-on N c. vessel crossing from your starboard Y d. vessel crossing from your port 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 314: INLAND ONLY Identify the operation indicated by the lights shown. (DIAGRAM 85 )
N a. An aircraft carrier engaged in the launching and recovery of aircraft N b. A submarine engaged in underway replenishment at sea Y c. A dredge engaged in dredging operations N d. A vessel aground assisted by tugs 386: INLAND ONLY Which statement is TRUE concerning the fog signal of a barge 35 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel shall ring a bell for 5 seconds every minute. Y b. The vessel is not required to sound a fog signal. 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. 4061: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing as shown. Which statement is TRUE? (DIAGRAM 26 )
N a. The vessels should pass starboard to starboard. N b. Vessel "B" should pass under the stern of vessel "A". N c. Vessel "B" should alter course to the right. Y d. Vessel "A" must keep clear of vessel "B". 4081: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" , a power-driven vessel, on open waters and vessel "B", a sailing vessel, is sighted off your port bow as shown. Which vessel is the stand-on vessel? (DIAGRAM 27 )
N a. Vessel "A" because it is towing N b. Vessel "A" because it is to starboard of vessel "B" Y c. Vessel "B" because it is sailing N d. Vessel "B" because it is to port of vessel "A" 4103: BOTH INTERNATIONAL & INLAND Which is the danger signal?
N a. A continuous sounding of the fog signal N b. Firing a gun every minute Y c. Five or more short rapid blasts on the whistle N d. One prolonged blast on the whistle 4115: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?
N a. A bell only N b. A whistle only Y c. A bell and a whistle N d. Any means of making an efficient sound signal 4123: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged blast followed by two short blasts on the whistle. What does this signal indicate?
Y a. A vessel towing N b. A vessel engaged in pilotage duty N c. A vessel being towed N d. A vessel aground 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. 4146: BOTH INTERNATIONAL & INLAND When taking action to avoid collision, you should __________.
Y a. make sure the action is taken in enough time N b. not make any large course changes N c. not make any large speed changes N d. All of the above 4179: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed to show the all-round red over green lights on the mast if __________.
N a. she is showing sidelights N b. her sidelights are combined and shown on the fore and aft centerline of the vessel N c. she is showing a stern light Y d. her sidelights and stern light are combined in one lantern and shown on the mast 4184: BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be __________.
N a. not under command Y b. towing a tow more than 200 meters astern N c. trawling N d. underway and dredging 4194: BOTH INTERNATIONAL & INLAND At night, you are towing a partly submerged vessel, 20 meters in length and 4 meters in breadth. What lights must you display on the towed vessel?
N a. A white light at the stern N b. Two white lights side by side at the stern Y c. A white light at the forward end and a white light at the after end N d. Two red lights in a vertical line at the after end 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. 4276: BOTH INTERNATIONAL & INLAND While underway your vessel enters fog. You stop your engines and the vessel is dead in the water. Which fog signal should you sound?
N a. One prolonged blast every two minutes Y b. Two prolonged blasts every two minutes N c. Three short blasts every two minutes N d. One prolonged and three short blasts every two minutes 4318: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
N a. Flames on a vessel Y b. Vertical motion of a white lantern at night N c. Code flags "November" and "Charlie" N d. Dye marker on the water 4474: BOTH INTERNATIONAL & INLAND In a crossing situation, the stand-on vessel should normally __________.
N a. take action to cross ahead of the other vessel N b. take action to pass astern of the other vessel Y c. maintain course and speed N d. change course and increase speed 4498: BOTH INTERNATIONAL & INLAND In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows __________.
N a. a basket N b. a black ball Y c. a black cone N d. two black cones 4503: BOTH INTERNATIONAL & INLAND Which vessel must show a masthead light abaft of and higher than her identifying lights?
N a. A 55-meter vessel fishing Y b. A 55-meter vessel trawling N c. A 100-meter vessel not under command N d. A 20-meter vessel engaged on pilotage duty 4581: BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to __________.
N a. avoid collision N b. allow more time to assess the situation N c. be stopped in an appropriate distance Y 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 4716: BOTH INTERNATIONAL & INLAND Which day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?
N a. A cone, apex downward N b. A cone, apex upward Y c. A diamond N d. A ball 4770: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left N b. sound whistle signals only if you change course N c. not sound any whistle signals until the other vessel is sighted Y d. sound only fog signals until the other vessel is sighted 4780: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.
Y a. the danger signal N b. two short blasts, alter to port, and pass astern N c. no signal and maneuver at will N d. one short blast and maintain course 4865: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to starboard is within the channel and crossing your course. You should __________.
N a. hold your course and speed N b. sound the danger signal Y c. keep out of the way of the cargo vessel N d. do not cross the channel 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 8031: INTERNATIONAL ONLY Which statement(s) is(are) TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. Y b. The time between successive signals shall be not less than ten seconds. N c. The light signals are to be used when not using sound signals. N d. All of the above