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.
75: INLAND ONLY You are on vessel "A", and vessel "B" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 31 )
N a. alter course to the left N b. slow your vessel until vessel "B" has passed Y c. hold course and speed N d. alter course to the left to give vessel "B" more sea room 150: INLAND ONLY A power-driven vessel, when leaving a dock or berth, must sound what signal?
N a. Three short blasts N b. A long blast Y c. A prolonged blast N d. No signal is required. 157: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. restricted in her ability to maneuver N b. engaged in fishing Y c. not under command N d. on pilotage duty 199: INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthead lights. What is required in this situation?
N a. The vessel must carry only the lights that comply with the rules; the others may be omitted. Y b. The vessel's lights must comply as closely as possible. N c. The vessel must be altered to permit full compliance with the rules. N d. An all-round light should be substituted for the after masthead light and the stern light. 365: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
Y a. stand-on vessel N b. give-way vessel N c. overtaking vessel N d. None of the above 368: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )
N a. stand-on vessel Y b. give-way vessel N c. overtaking vessel N d. None of the above 4111: BOTH INTERNATIONAL & INLAND A 50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?
N a. Two masthead lights forward, a stern light, and a towing light above the stern light Y b. A masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light N c. No masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light N d. Three masthead lights forward, one masthead light aft, and two towing lights in a vertical line at the stern 4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.
N a. merchant vessel reporting systems Y b. traffic separation schemes N c. collision avoidance fairways N d. restricted maneuverability channels 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 4260: BOTH INTERNATIONAL & INLAND The minimum length of a power-driven vessel that must show forward and after masthead lights is __________.
N a. 30 meters Y b. 50 meters N c. 75 meters N d. 100 meters 4332: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. You may hold your course and speed until __________.
N a. the other vessel takes necessary action N b. the other vessel gets to within half a mile of your vessel Y c. action by the give-way vessel alone will not prevent collision N d. the other vessel gets to within a quarter mile of your vessel 4416: BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also __________.
N a. must be displayed when day signals are being used N b. must be displayed when moored to a pier N c. may be extinguished at night on open waters when no other vessels are in the area Y d. may be displayed during daylight 4467: BOTH INTERNATIONAL & INLAND Under the Rules, the term "vessel" includes __________.
N a. non-self-propelled raft N b. seaplanes N c. hovercrafts Y d. All of the above 4468: BOTH INTERNATIONAL & INLAND You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern, which is lower than the forward light. It could be a __________.
Y a. survey vessel N b. vessel not under command N c. vessel aground N d. pilot vessel with port side to you 4505: BOTH INTERNATIONAL & INLAND Vessels of less than what length may not impede the passage of other vessels which can safely navigate only within a narrow channel or fairway?
N a. 10 meters Y b. 20 meters N c. 30 meters N d. 40 meters 4539: BOTH INTERNATIONAL & INLAND All of the following are distress signals under the Rules EXCEPT __________.
Y a. a green star signal N b. orange-colored smoke N c. red flares N d. the repeated raising and lowering of outstretched arms 4540: BOTH INTERNATIONAL & INLAND The lights shown are those of a __________. (DIAGRAM 58 )
N a. vessel being towed Y b. power-driven vessel of less than 50 meters in length N c. fishing vessel at anchor N d. sailboat 4589: BOTH INTERNATIONAL & INLAND You are operating in restricted visibility and hear a signal of a rapidly ringing bell followed by the rapid sounding of a gong. It could be a __________.
N a. 30-meter sail vessel at anchor N b. 150-meter power-driven vessel aground N c. vessel in distress Y d. 300-meter power-driven vessel at anchor 4630: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
Y a. reduce speed to bare steerageway N b. stop your engines N c. begin a radar plot N d. All of the above 4647: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 65 )
N a. fishing Y b. anchored N c. being towed N d. drifting 4661: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?
N a. By day, she shall carry a black cylinder shape. N b. By day, she shall carry two black balls in a vertical line. N c. By night, she would show the same lights as a vessel not under command. Y d. By day, she would show the same shapes as a vessel restricted in her ability to maneuver. 4665: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
Y a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only N d. A bell and a whistle 4708: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. at anchor N b. aground Y c. underway N d. dredging 4829: BOTH INTERNATIONAL & INLAND The term "restricted visibility", when used in the Rules, refers to __________.
N a. situations when you can see vessels on radar that you cannot see visually N b. visibility of less than half a mile Y c. any condition where visibility is restricted N d. visibility where you cannot see shore 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 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 8020: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.
N a. towing N b. constrained by her draft N c. under sail Y d. All of the above 8023: BOTH INTERNATIONAL & INLAND A fishing vessel is approaching a vessel not under command. Which statement is TRUE?
Y a. The fishing vessel must keep clear of the vessel not under command. N b. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel. N c. They must exchange whistle signals. N d. Both vessels are required to take action to stay clear of each other. 8099: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.
N a. restricted in her ability to maneuver N b. not under command N c. engaged in mineclearing operations Y d. constrained by her draft 8105: INTERNATIONAL ONLY Your vessel is crossing a narrow channel. A vessel to port is within the channel and crossing your course. She is showing a black cylinder. You should __________.
N a. hold your course and speed Y b. not impede the other vessel N c. exchange passing signals N d. sound the danger signal