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.
45: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel, and you wish to overtake on the other vessel's port side. You will sound a whistle signal of __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 106: INLAND ONLY You are overtaking another power-driven vessel and sound a whistle signal indicating that you intend to pass the vessel along her starboard side. If the other vessel answers your signal with five short and rapid blasts, you should __________.
N a. pass the other vessel along her starboard side N b. sound five short and rapid blasts and pass along her starboard side Y c. not overtake the other vessel until both vessels exchange the same passing signal N d. not overtake the other vessel until she sounds another five short and rapid blast signal 189: BOTH INTERNATIONAL & INLAND You are on vessel "A" towing a barge alongside and meeting vessel "B" as shown. Which action should you take? (DIAGRAM 39 )
N a. Alter course to port Y b. Alter course to starboard N c. Back down to reduce the strain on the lines N d. Maintain course and speed 235: INLAND ONLY Vessel "A" is power-driven and overtaking power-driven vessel "B" as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )
N a. one short blast Y b. two short blasts N c. one prolonged blast N d. no signal 247: INLAND ONLY You are on vessel "I" and in sight of vessel "II" as shown. Vessel "II" sounds one short blast. If you agree, you should __________. (DIAGRAM 36 )
Y a. sound one short blast and hold course and speed N b. hold course and speed and sound no signal N c. sound one short blast and slow down or turn to starboard N d. sound the danger signal and slow to moderate speed 265: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing. The vessels will pass within 1/2 mile of each other. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. N b. Sound the danger signal and slow to moderate speed. Y c. Sound one short blast, turn to starboard. N d. Sound one short blast and hold course and speed. 339: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. two short blasts Y c. one short blast N d. None of the above 821: INLAND ONLY One and two short blast signals must be sounded on inland waters when __________.
N a. two sailing vessels are in sight of one another and meeting at a distance of one quarter mile N b. two power-driven vessels are in sight of one another and will cross at a distance of one mile N c. two power-driven vessels are crossing within half a mile of each other and NOT in sight of each other Y d. Two power-driven vessel are in sight of one another and are meeting at a distance of one half mile 4040: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown indicates a vessel with a tow exceeding 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. D 4059: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?
N a. A seaplane must show appropriate lights but need not exhibit shapes. N b. A seaplane should exhibit the lights for a vessel constrained by her draft. N c. In situations where a risk of collision exists, a seaplane should always give way. Y d. A seaplane on the water shall, in general, keep well clear of all vessels. 4122: BOTH INTERNATIONAL & INLAND Which vessel may sound the danger signal?
N a. The stand-on vessel in a crossing situation N b. The give-way vessel in a crossing situation N c. A vessel at anchor Y d. All of the above 4128: BOTH INTERNATIONAL & INLAND Which display indicates a vessel conducting mineclearance operations?
N a. Three balls in a vertical line N b. Two balls in a vertical line Y c. One ball near the foremast and one ball at each yardarm N d. One diamond near the foremast and one ball at each yardarm 4145: BOTH INTERNATIONAL & INLAND You are in charge of a 120-meter power-driven vessel at anchor in fog, sounding the required anchor signals. You hear the fog signal of a vessel underway off your port bow. You may sound __________.
N a. at least five short and rapid blasts N b. two short blasts Y c. one short, one prolonged, and one short blast N d. three short blasts 4218: BOTH INTERNATIONAL & INLAND A vessel displaying the day signal shown is __________. (DIAGRAM 7 )
Y a. not under command N b. a dredge underway and dredging N c. fishing N d. a hydrographic survey vessel underway 4244: BOTH INTERNATIONAL & INLAND A 200-meter vessel restricted in her ability to maneuver, at anchor, will sound a fog signal of __________.
N a. a 5 second ringing of a bell forward and a 5 second sounding of a gong aft at intervals of 1 minute Y b. one prolonged followed by two short blasts every 2 minutes N c. one prolonged followed by three short blasts every minute N d. one prolonged followed by three short blasts every 2 minutes 4333: BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.
Y a. 22.5° abaft the beam N b. abeam N c. 22.5° forward of the beam N d. 135° abaft the beam 4386: BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. This bell indicates a __________.
Y a. vessel at anchor N b. vessel in distress N c. sailboat underway N d. vessel backing out of a berth 4405: BOTH INTERNATIONAL & INLAND A vessel underway but not making way and fishing other than trawling will show which lights?
N a. A white light over a red light Y b. A red light over a white light N c. A white light over a red light, sidelights, and a stern light N d. A red light over a white light, sidelights, and a stern light 4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.
N a. two black balls in a vertical line N b. three black balls in a vertical line N c. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond Y d. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond 4431: BOTH INTERNATIONAL & INLAND A vessel 50 meters in length at anchor must sound which fog signal?
Y a. 5-second ringing of a bell every minute N b. 5-second ringing of a bell every two minutes N c. 5-second sounding of a gong every minute N d. 5-second sounding of both a bell and gong every two minutes 4532: BOTH INTERNATIONAL & INLAND The term "power-driven vessel" refers to any vessel __________.
N a. with propelling machinery onboard whether in use or not N b. making way against the current Y c. with propelling machinery in use N d. traveling at a speed greater than that of the current 4534: BOTH INTERNATIONAL & INLAND A vessel towing where the tow prevents her from changing course shall carry __________.
N a. only the lights for a vessel towing N b. only the lights for a vessel restricted in her ability to maneuver Y c. the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver N d. the lights for a towing vessel and the lights for a vessel not under command 4644: BOTH INTERNATIONAL & INLAND A vessel engaged in trawling will show identification lights of __________.
N a. a red light over a white light N b. a white light over a red light Y c. a green light over a white light N d. two red lights in a vertical line 4664: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You MUST __________.
N a. hold your course and speed N b. sound the danger signal Y c. not cross the channel if you might impede the other vessel N d. initiate an exchange of passing signals 4685: BOTH INTERNATIONAL & INLAND What does the word "breadth" mean?
Y a. Greatest breadth N b. Molded breadth N c. Breadth on the main deck N d. Breadth at the load waterline 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 4715: BOTH INTERNATIONAL & INLAND What is a "vessel restricted in her ability to maneuver"?
N a. A deep-draft vessel that can only navigate in a dredged channel N b. A vessel fishing with a bottom trawl that must remain on course N c. A large tanker that is being towed as a dead ship to dry dock Y d. A vessel laying revetment mats to provide bank protection along a channel 4855: BOTH INTERNATIONAL & INLAND Under the Rules, any vessel may slacken her speed, stop, or reverse her engines to __________.
N a. create a crossing situation Y b. allow more time to assess the situation N c. attract the attention of another vessel N d. All of the above 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 8102: INTERNATIONAL ONLY Which statement is TRUE concerning a vessel "constrained by her draft"?
N a. She is hampered because of her work. N b. She is unable to maneuver due to some exceptional circumstance. N c. She may be a vessel being towed. Y d. She must be a power-driven vessel.