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.
39: INLAND ONLY Which indicates the presence of a partly submerged object being towed?
N a. A diamond shape on the towed object N b. An all-round light at each end of the towed object N c. A searchlight beamed from the towing vessel in the direction of the tow Y d. All of the above 109: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. In addition to a steady white light which other light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )
N a. Steady green light N b. Flashing red light Y c. Flashing yellow light N d. Flashing white light 118: BOTH INTERNATIONAL & INLAND You are on a vessel engaged in fishing, other than trawling, and have gear extending more than 150 meters horizontally from the vessel. Which day-shape must you show in the direction of the outlying gear? (DIAGRAM 16 )
N a. A N b. B N c. C Y d. D 215: INTERNATIONAL ONLY At night you sight the lights shown. What do the lights indicate? (DIAGRAM 66 )
N a. Two vessels pair trawling Y b. A tug with a tow alongside N c. A ship being assisted by a tug N d. A vessel engaged in fishing 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." 319: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )
N a. a cylinder Y b. two cones with apexes together N c. a ball, a diamond and another ball N d. a diamond 354: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to leave you on your starboard side" Y b. "I am altering my course to starboard" N c. "I am altering my course to port" N d. None of the above 355: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
Y a. "I am altering my course to starboard" N b. "I intend to leave you on my port side" N c. "I am altering my course to port" N d. None of the above 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 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 4023: BOTH INTERNATIONAL & INLAND A sailing vessel is overtaking a tug and tow as shown. Which statement is CORRECT? (DIAGRAM 43 )
N a. The sailing vessel is the stand-on vessel because it is overtaking. N b. The sailing vessel is the stand-on vessel because it is under sail. Y c. The tug is the stand-on vessel because it is being overtaken. N d. The tug is the stand-on vessel because it is towing. 4148: BOTH INTERNATIONAL & INLAND You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must __________.
N a. stop your engines N b. sound two prolonged blasts of the whistle N c. sound the danger signal Y d. slow to bare steerageway 4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a barge being towed astern at night?
N a. A white light at each corner N b. A white light fore and aft Y c. Sidelights and a stern light N d. A stern light only 4346: BOTH INTERNATIONAL & INLAND A vessel being towed at night must show __________.
N a. a white all-round light, only Y b. sidelights and a stern light N c. a flashing yellow light, only N d. forward and after masthead lights 4360: BOTH INTERNATIONAL & INLAND While underway, you see a vessel displaying the day-shapes shown. Which action should you take? (DIAGRAM 6 )
N a. Maintain course and speed N b. Provide assistance, the other vessel is in distress Y c. Stay clear, the other vessel is maneuvering with difficulty N d. Stop your vessel and sound passing signals 4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )
N a. is at anchor N b. is not under command Y c. has a tow that exceeds 200 meters in length N d. has a tow that is carrying dangerous cargo 4411: BOTH INTERNATIONAL & INLAND For the purpose of the Rules, except where otherwise required, the term __________.
Y a. "vessel" includes seaplanes N b. "seaplane" includes nondisplacement craft N c. "vessel engaged in fishing" includes a vessel fishing with trolling lines N d. "vessel restricted in her ability to maneuver" includes fishing vessels 4483: BOTH INTERNATIONAL & INLAND A vessel restricted in her ability to maneuver shall __________.
Y a. turn off her sidelights when not making way N b. when operating in restricted visibility, sound a whistle signal of two prolonged and one short blast N c. show a day-shape of two diamonds in a vertical line N d. keep out of the way of a vessel engaged in fishing 4521: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, all of the following are engaged in fishing EXCEPT a vessel __________.
N a. setting nets N b. trawling N c. using a dredge net Y d. trolling 4582: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. pushing ahead Y b. underway N c. towing a submerged object N d. engaged in dredging 4584: INTERNATIONAL AND INLAND A vessel that is not equipped with towing lights should show that it has a vessel in tow by_________________.
N a. continuously sounding its horn N b. sounding one prolonged followed by two short blasts at intervals of not more than two minutes Y c. shining a searchlight on the towline of the towed vessel N d. None of the above; a vessel shall not engage in towing at night without proper navigation lights 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 4639: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying a single green light. This is a __________.
N a. vessel at anchor N b. small motorboat underway N c. vessel drifting Y d. sailing vessel 4653: BOTH INTERNATIONAL & INLAND A vessel showing this day-shape __________. (DIAGRAM 34 )
N a. has a tow which exceeds 200 meters in length N b. is engaged in surveying or underwater work N c. is not under command Y d. is fishing 4818: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.
N a. instead of the masthead lights Y b. which mean that other vessels should not approach within 1000 meters N c. that are 225° green lights N d. All of the above 4839: BOTH INTERNATIONAL & INLAND A vessel is considered to be "restricted in her ability to maneuver" under the Rules if she is __________.
N a. at anchor Y b. mineclearing N c. engaged in fishing N d. engaged in towing 4852: BOTH INTERNATIONAL & INLAND What is TRUE when operating in fog and other vessels are detected by radar?
N a. You should make an ample change to port for a vessel crossing on the starboard bow. Y b. You should maneuver in ample time if a close-quarters situation is developing. N c. You should determine the course and speed of all radar contacts at six minute intervals. N d. Long-range scanning will provide early warning of ALL other vessels within the radar's range. 4853: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is about one mile distant and is on your starboard bow. You believe she will cross ahead of you but she sounds a whistle signal of five short blasts. You should __________.
N a. answer the signal and hold course and speed N b. reduce speed slightly N c. initiate a passing signal that will allow for a half mile clearance Y d. make a large course change, and slow down if necessary 8082: INTERNATIONAL ONLY Which statement is TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. N b. The light signals are to be used when not using sound signals. Y c. The time between successive signals shall be not less than ten seconds. N d. All of the above