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.
36: INLAND ONLY Which type of vessel is NOT mentioned in the Inland Navigation Rules?
N a. An inconspicuous, partly submerged vessel N b. A seaplane N c. An air-cushion vessel Y d. A vessel constrained by her draft 95: INLAND ONLY You are meeting another vessel in inland waters, and she sounds one short blast on the whistle. This means that she __________.
N a. is changing course to starboard N b. is changing course to port Y c. intends to leave you on her port side N d. desires to depart from the Rules 102: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown must you show when at anchor? (DIAGRAM 16 )
Y a. A N b. B N c. C N d. D 165: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. SE N b. NE N c. SW Y d. NW 244: BOTH INTERNATIONAL & INLAND You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", a large tanker which can safely navigate only within the channel, sounds five short and rapid blasts. You should __________. (DIAGRAM 32 )
N a. sound one prolonged followed by two short blasts N b. not answer the whistle signal from vessel "B" N c. maintain course and speed Y d. not impede the passage of vessel "B" 259: BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.
Y a. at all times N b. only if manned N c. only if towed astern N d. Need not be lighted 264: INTERNATIONAL ONLY Two power-driven vessels are meeting in the situation as shown. One short blast from either vessel means __________. (DIAGRAM 37 )
Y a. "I am altering my course to starboard." N b. "I intend to leave you on my port side." N c. "I intend to hold course and speed." N d. "I am altering my course to port." 389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command N b. engaged in fishing Y c. under oars N d. towing 4002: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.
N a. sailboat underway N b. vessel underway, towing Y c. power-driven vessel underway, making way N d. vessel being towed 4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.
N a. vessel not under command N b. sailing vessel Y c. vessel being towed (manned) N d. vessel being towed (unmanned) 4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.
N a. maintain course and speed Y b. keep clear, passing at a safe distance N c. sound one blast and turn to starboard N d. stop her engines 4130: BOTH INTERNATIONAL & INLAND The duration of each blast of the whistle signals used in meeting and crossing situations is __________.
Y a. about 1 second N b. 2 or 4 seconds N c. 4 to 6 seconds N d. 8 to 10 seconds 4156: BOTH INTERNATIONAL & INLAND Which vessel is "underway" under the Rules of the Road?
N a. A vessel at anchor with the engine running N b. A vessel with a line led to a tree onshore Y c. A vessel drifting with the engine off N d. A vessel aground 4215: BOTH INTERNATIONAL & INLAND An inconspicuous, partly submerged vessel or object being towed, where the length of tow is 100 meters, shall show __________.
N a. yellow lights at each end N b. two red lights in a vertical line N c. a black ball Y d. a diamond shape 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 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 4301: BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?
N a. A vessel is 22 degrees on your port bow, range increasing, bearing changing slightly to the right. N b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right. N c. A vessel is 22 degrees abaft your port beam, range increasing, bearing is constant. Y d. A vessel is on your starboard quarter, range decreasing, bearing is constant. 4419: BOTH INTERNATIONAL & INLAND A vessel 25 meters in length must have which sound signaling appliance onboard?
N a. None is required N b. Whistle only Y c. Whistle and bell only N d. Whistle, bell, and gong 4473: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.
N a. one sidelight N b. one sidelight and a masthead light N c. one sidelight and two masthead lights Y d. both sidelights of a vessel and her masthead light(s) 4514: BOTH INTERNATIONAL & INLAND You are heading due east (090°) and observe a vessel's red sidelight on your port beam. The vessel may be heading __________.
N a. northwest (315°) N b. north (000°) N c. southeast (135°) Y d. southwest (225°) 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 4597: BOTH INTERNATIONAL & INLAND A vessel not under command shall display __________.
Y a. two red lights at night and two black balls during daylight N b. two red lights at night and three black balls during daylight N c. three red lights at night and two black balls during daylight N d. three red lights at night and three black balls during daylight 4636: BOTH INTERNATIONAL & INLAND A vessel sailing shall keep out of the way of all of the following vessels except a vessel __________.
N a. not under command Y b. engaged on pilotage duty N c. restricted in her ability to maneuver N d. engaged in fishing 4668: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds three short blasts on the whistle. This signal means that vessel "A" __________. (DIAGRAM 42 )
N a. intends to hold course and speed N b. is uncertain about the actions of "B" N c. proposes to cross ahead of the other vessel Y d. is backing engines 4682: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. do not interfere with the keeping of a proper look-out N b. do not impair the visibility or distinctive character of the prescribed lights N c. cannot be mistaken for the lights specified elsewhere in the Rules Y d. All of the above 4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
N a. one prolonged and three short blasts at one minute intervals N b. a rapid ringing of the bell for five seconds at one minute intervals Y c. one prolonged and two short blasts at two minute intervals N d. a sounding of the bell and gong at one minute intervals 8042: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?
N a. A vessel constrained by her draft N b. A vessel restricted in her ability to maneuver Y c. A vessel on pilotage duty N d. A vessel engaged in fishing 8045: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. No signal is necessary. N b. Two prolonged blasts N c. Two short blasts Y d. Two prolonged followed by two short blasts 8056: INTERNATIONAL ONLY A whistle signal of one prolonged, one short, one prolonged and one short blast, is sounded by a vessel __________.
N a. at anchor N b. towing a submerged object Y c. being overtaken in a narrow channel N d. in distress 8059: INTERNATIONAL ONLY You are in sight of a power-driven vessel that sounds two short blasts of the whistle. This signal means that the vessel __________.
Y a. is altering course to port N b. is altering course to starboard N c. intends to leave you on her port side N d. intends to leave you on her starboard side