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.
2: INLAND ONLY What is the required whistle signal for a power-driven vessel leaving a dock or berth?
N a. One short blast Y b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 22: INLAND ONLY You are crossing the course of another vessel which is to your starboard. You have reached an agreement by radiotelephone to pass astern of the other vessel. You MUST __________.
N a. sound one short blast N b. sound two short blasts N c. change course to starboard Y d. None of the above 87: INLAND ONLY Which statement is TRUE concerning the light used for maneuvering signals?
N a. It must be synchronized with the whistle. N b. It may be white or yellow. N c. It must be an all-round light. Y d. All of the above 100: INLAND ONLY Only law enforcement vessels are permitted to show __________.
N a. two red lights in a vertical line N b. a flashing yellow light N c. an alternately flashing red and yellow light Y d. a flashing blue light 134: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
N a. Neither vessel has the right-of-way. Y b. She has the right-of-way only if she is power-driven. N c. She does not have the right-of-way, since the other vessel is not crossing the river. N d. She must wait for a whistle signal from the upbound vessel. 149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.
N a. two masthead lights, sidelights, and stern light N b. two masthead lights, sidelights, and two towing lights Y c. sidelights and two towing lights N d. one masthead light, sidelights, and stern light 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 191: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. bow of a barge being pushed ahead N b. stern of a barge being towed astern N c. masthead of a tug towing astern Y d. stern of a tug pushing ahead 260: 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 __________.
Y a. search and rescue N b. restricted in ability to maneuver N c. not under command N d. river bank protection 289: BOTH INTERNATIONAL & INLAND The tow shown is less than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel? (DIAGRAM 24 )
Y a. ball-diamond-ball on the towing vessel N b. diamond on the towing vessel N c. diamond on the last barge N d. None of the above 347: 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 __________. (DIAGRAM 42 )
N a. sound the danger signal and slow to moderate speed N b. alter course to the right or slowdown N c. sound one short blast and maintain course and speed Y d. None of the above 4093: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels?
Y a. A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of a sailing vessel with the wind forward of the beam on the starboard side. N b. When both vessels have the wind on the same side, the vessel to leeward shall keep out of the way. N c. A sail vessel with the wind abaft of the beam must keep out of the way of a vessel sailing into the wind. N d. None of the above 4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 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 4203: BOTH INTERNATIONAL & INLAND If you hear the firing of a gun at one minute intervals from another vessel, this indicates that __________.
N a. the gun is being used to sound passing signals Y b. the vessel is in distress N c. all vessels are to clear the area N d. all is clear and it is safe to pass 4282: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 63 )
Y a. towing astern N b. underway and more than 50 meters in length N c. broken down N d. fishing 4372: 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 __________.
N a. one short blast and maintain course N b. two short blasts, alter to port, and pass astern N c. no signal and maneuver at will Y d. the danger signal 4390: BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night?
N a. One all-round white light N b. A stern light N c. Red and green sidelights Y d. Red and green sidelights and a stern light 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 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 4552: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?
N a. All fog signals for sailing vessels are to be given at intervals of not more than one minute. N b. A vessel not under command sounds the same fog signal as a vessel towed. N c. A pilot vessel underway and making way sounds the pilot identity signal and no other signal. Y d. A vessel aground may sound a whistle signal. 4558: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
N a. 22.5° Y b. 67.5° N c. 112.5° N d. 135.0° 4617: BOTH INTERNATIONAL & INLAND A vessel proceeding along a narrow channel shall __________.
N a. avoid crossing the channel at right angles N b. not overtake any vessels within the channel Y c. keep as near as safe and practicable to the limit of the channel on her starboard side N d. when nearing a bend in the channel, sound a long blast of the whistle 4638: BOTH INTERNATIONAL & INLAND A power-driven vessel is underway and fishing with trolling lines. This vessel __________.
Y a. must keep out of the way of sailing vessels N b. must sound a one prolonged, two short blasts signal in restricted visibility N c. is the stand-on vessel when overtaking power-driven vessels N d. All of the above 4691: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?
N a. A bell signal Y b. A whistle signal N c. A gong signal N d. All of the above are mandatory. 4832: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when she __________.
N a. can be observed by radar N b. has determined that risk of collision exists N c. is sounding a fog signal which can be heard on the other vessel Y d. can be observed visually from the other vessel 8044: INTERNATIONAL ONLY In international waters, you are on Vessel "I" in the situation as shown. Vessel "II" sounds one short blast. Which action should you take? (DIAGRAM 36 )
N a. Sound one short blast and hold course and speed. Y b. Hold course and speed N c. Sound one short blast and slow down or turn to starboard. N d. Sound two short blasts, slow down and turn to port 8048: INTERNATIONAL ONLY You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.
N a. one short blast N b. two prolonged blasts N c. two prolonged followed by two short blasts Y d. one prolonged, one short, one prolonged, and one short blast in that order 8061: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )
N a. should sound two short blasts N b. should sound the danger signal N c. should sound one long blast Y d. need not sound any whistle signals 8087: INTERNATIONAL ONLY Lighting requirements in inland waters are different from those for international waters for __________.
Y a. barges being pushed ahead N b. vessels restricted in their ability to maneuver N c. vessels towing astern N d. barges being towed astern