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.
31: INLAND ONLY At night, a light signal consisting of two flashes by a vessel indicates __________.
N a. an intention to communicate over radiotelephone N b. that the vessel is in distress N c. an intention to leave another vessel to port Y d. an intention to leave another vessel to starboard 49: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.
N a. four short blasts N b. one long blast Y c. one prolonged blast N d. No signal is required. 73: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
N a. sound one short blast N b. sound four short blasts N c. overtake her without sounding whistle signals Y d. attempt to contact her on the radiotelephone to arrange for the passage 76: INLAND ONLY A special flashing light is used on a vessel(s) __________.
Y a. being pushed ahead N b. at anchor in a fairway N c. towed astern N d. All of the above 159: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. submarine on the surface N b. air-cushion vessel in the non-displacement mode N c. vessel engaged in trawling Y d. vessel not under command 222: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
N a. 1 N b. 3 N c. None Y d. 2 232: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" __________. (DIAGRAM 17 )
N a. should change course to the right N b. should slow down until vessel "A" has passed Y c. should hold her course and speed N d. may steer various courses and vessel "A" must keep clear 257: INLAND ONLY Two power-driven vessels are meeting in the situation as shown. One short blast from either vessel means __________. (DIAGRAM 37 )
N a. "I am altering my course to starboard." Y b. "I intend to leave you on my port side." N c. "I intend to hold course and speed." N d. "I intend to pass on your starboard side." 397: INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?
N a. At least five short and rapid blasts Y b. Four short blasts N c. One prolonged, one short, one prolonged, and one short blast, in that order N d. Two short blasts 4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )
N a. towing N b. conducting underwater operations N c. drifting Y d. aground 4018: BOTH INTERNATIONAL & INLAND Which is a distress signal?
N a. A triangular flag above or below a ball N b. The International Code Signal of distress indicated by "JV" N c. A green smoke signal Y d. Flames on the vessel as from a burning tar barrel 4065: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.
N a. aground Y b. more than 100 meters in length, at anchor N c. fishing while making no way through the water N d. fishing in company with another vessel 4137: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning lights and shapes for towing vessels?
N a. If a tow exceeds 200 meters in length, the towing vessel will display a black ball during daylight. N b. When towing astern, a vessel will carry her identification lights at the masthead in addition to her regular masthead light. N c. When towing astern, the towing vessel may show either a stern light or a towing light, but not both. Y d. If the towing vessel is over 50 meters in length, she must carry forward and after masthead lights. 4220: BOTH INTERNATIONAL & INLAND A vessel towed astern shall show __________.
N a. masthead lights Y b. sidelights N c. a special flashing light N d. All of the above 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 4273: BOTH INTERNATIONAL & INLAND Which vessel is NOT classified as "restricted in her ability to maneuver"?
N a. A vessel picking up a navigation mark N b. A vessel transferring cargo while underway Y c. A vessel whose anchor is fouled N d. A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course 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 4280: BOTH INTERNATIONAL & INLAND Vessels I and II are underway as shown. Vessel I is a sailing vessel with the wind dead aft. Vessel II is a power-driven vessel trawling. Which statement is TRUE? (DIAGRAM 33 )
Y a. Vessel I is to keep clear because the other vessel is fishing. N b. Vessel II is to keep clear because she is a power-driven vessel. N c. Vessel II is to keep clear because the other vessel is to its starboard. N d. Both vessels are to take action to stay clear of each other. 4379: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?
N a. The stand-on vessel must keep out of the way of the other vessel when risk of collision exists. N b. Risk of collision always exists when two vessels pass within one mile of each other. N c. Risk of collision always exists when the compass bearing of an approaching vessel changes appreciably. Y d. Risk of collision may exist when the compass bearing of an approaching vessel is changing appreciably. 4464: BOTH INTERNATIONAL & INLAND A vessel not under command, underway but not making way, would show __________.
Y a. two all-round red lights in a vertical line N b. sidelights N c. a stern light N d. All of the above 4568: BOTH INTERNATIONAL & INLAND Which vessel is "underway" according to the Rules?
N a. A vessel made fast to a single point mooring buoy Y b. A purse seiner hauling her nets N c. A pilot vessel at anchor N d. A vessel which has run aground 4586: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing one red light of a vessel directly ahead N b. Seeing two forward white towing lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights of a vessel directly ahead 4606: BOTH INTERNATIONAL & INLAND A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?
Y a. a diamond shape N b. two cones, apexes together N c. a black ball N d. one cone, apex upward 4656: BOTH INTERNATIONAL & INLAND A vessel fishing at night, with gear extending more than 150 meters horizontally outwards, will show in the direction of the gear __________.
Y a. one white light N b. two vertical white lights N c. one yellow light N d. two vertical yellow lights 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 4684: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.
N a. northwest (315°) N b. east (090°) Y c. southwest (225°) N d. west (270°) 4696: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.
N a. engaged in pair trawling N b. fishing while making no way through the water Y c. more than 100 meters in length, at anchor N d. engaged on pilotage duty 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 4827: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the requirements of the Rules when __________.
N a. operating in restricted visibility N b. operating in a narrow channel Y c. necessary to avoid immediate danger N d. the Master enters it in the ship's log 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