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.
72: INLAND ONLY You are approaching a vessel displaying the lights as shown. This is a(n) __________. (DIAGRAM 75 )
N a. meeting head-on situation N b. crossing situation Y c. overtaking situation N d. special circumstance situation 111: INLAND ONLY Which light display marks the opening in a pipeline where vessels could pass through?
Y a. Two red lights in a vertical line on each side of the opening N b. Three red lights in a vertical line on each side of the opening N c. Two yellow lights in a vertical line on each side of the opening N d. Three white lights in a vertical line on each side of the opening 126: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.
N a. the waters surrounding any islands of the U.S. Y b. the Great Lakes on the United States side of the boundary N c. the coastline of the United States, out to one mile offshore N d. any lakes within state boundaries 181: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )
Y a. sailing vessel N b. 8-meter power-driven vessel N c. vessel not under command N d. 12-meter fishing vessel 212: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This indicates a vessel __________. (DIAGRAM 54 )
Y a. engaged in fishing, making way N b. engaged in fishing, at anchor N c. engaged in trawling, making way N d. on pilotage duty, making way 229: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________. (DIAGRAM 17 )
N a. overtaken vessel Y b. give-way vessel N c. stand-on vessel N d. None of the above 4015: BOTH INTERNATIONAL & INLAND A 95-meter vessel aground sounds which fog signal?
N a. A rapid ringing of a bell for 5 seconds every two minutes N b. A whistle signal of one short, one prolonged, and one short blast N c. A prolonged blast of the whistle at intervals not to exceed one minute Y d. A rapid ringing of a bell for 5 seconds, preceded and followed by three separate and distinct strokes on the bell 4205: BOTH INTERNATIONAL & INLAND A towing vessel is towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 250 meters. The towing vessel is 45 meters in length. How many white masthead lights should be displayed on the tugboat at night?
N a. 1 N b. 2 Y c. 3 N d. 4 4263: BOTH INTERNATIONAL & INLAND In a dense fog, you hear a whistle signal of one prolonged blast followed by three short blasts. This signal is sounded by a __________.
Y a. manned vessel being towed N b. fishing vessel underway trawling N c. pilot vessel underway making a special signal N d. vessel not under command 4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light Y b. sidelights and a stern light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a stern light 4299: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel on your 15-meter vessel. A deeply loaded cargo vessel is proceeding down the channel as shown. In this situation, which statement is correct? (DIAGRAM 40 )
N a. You are the stand-on vessel because you are less than 65 feet in length. Y b. You cannot impede the passage of the cargo vessel. N c. The cargo vessel is the stand-on vessel because she is running with the current. N d. The Rule of Special Circumstances applies in this case. 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 4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?
N a. The vessel which has the other on her own port side shall keep out of the way. Y b. If the stand-on vessel takes action, she shall avoid changing course to port. N c. If the give-way vessel takes action, she shall avoid changing course to starboard. N d. The give-way vessel should keep the other vessel to her starboard. 4428: BOTH INTERNATIONAL & INLAND Which signal shall a power-driven vessel sound when making way in fog?
N a. One short blast every two minutes Y b. One prolonged blast every two minutes N c. One prolonged and two short blasts every two minutes N d. Three short blasts every two minutes 4453: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing as shown. Which statement is TRUE? (DIAGRAM 30 )
N a. The vessels should pass starboard to starboard. N b. Vessel "B" should pass astern of vessel "A". N c. Vessel "B" should alter course to the right. Y d. Vessel "A" must keep clear of vessel "B". 4477: BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.
N a. a close-quarters situation N b. an overtaking situation Y c. immediate danger N d. Any of the above 4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is required to show sidelights and a stern light only when __________.
N a. anchored N b. underway N c. dead in the water Y d. underway and making way 4509: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be hidden by an obstruction shall __________.
N a. sound the danger signal Y b. sound a prolonged blast N c. take all way off N d. post a look-out 4517: BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway?
N a. A 200-meter sailing vessel Y b. A 50-meter power-driven vessel N c. A 100-meter vessel engaged in fishing N d. All of the above 4595: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, would NOT be required to show anchor lights?
N a. A power-driven vessel N b. A vessel on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 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 4672: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?
N a. Only the stand-on vessel can sound the danger signal. N b. Radio transmissions may be used in place of the danger signal. Y c. A vessel in doubt as to the other vessel's intentions must sound the danger signal. N d. The danger signal consists of 5 or more prolonged blasts of the whistle. 4678: BOTH INTERNATIONAL & INLAND Which is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?
Y a. Intermittent flashing amber (yellow) beacon for submarines N b. Green masthead and yardarm lights indicating mine clearance operations N c. Red-white-red lights in a vertical line for a carrier, launching aircraft N d. Yellow flares indicating torpedo firing exercises 4693: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?
Y a. A whistle signal N b. A gong signal N c. A bell signal N d. All of the above are optional. 4718: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. fishing at anchor Y b. dredging while underway N c. transferring dangerous cargo at a berth N d. restricted in her ability to maneuver, underway but not making way 4719: BOTH INTERNATIONAL & INLAND The lights shown mean that another vessel should pass no closer than__________________. (DIAGRAM 68 )
N a. 500 meters Y b. 1000 meters N c. 1500 meters N d. 2000 meters 4819: BOTH INTERNATIONAL & INLAND Which breadth shown represents the breadth as defined in the Rules? (DIAGRAM 87 )
Y a. A N b. B N c. C N d. D 4858: BOTH INTERNATIONAL & INLAND When underway in a channel, you should if safe and practicable __________.
N a. stay near the middle of the channel N b. keep to the starboard side of any vessels you meet N c. exchange whistle signals with any other vessels in the channel Y d. keep to the side of the channel which lies to your starboard 8074: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which would be sounded by a vessel __________.
Y a. overtaking another in a narrow channel N b. anchored N c. engaged in mineclearance N d. engaged in fishing 8104: INTERNATIONAL ONLY Your vessel is constrained by her draft and operating in a narrow channel. Another vessel is crossing your course from starboard to port. You are in doubt as to her intentions. According to Rule 9, you __________.
N a. should sound one short blast to indicate that you are holding course and speed N b. must sound one prolonged blast Y c. may sound the danger signal N d. are required to back down