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.
62: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
Y a. She has the right-of-way only if she is a power-driven vessel. N b. She has the right-of-way only if she has a tow. N c. She does not have the right-of-way, since the other vessel is not crossing the river. N d. She must wait for a whistle signal from the upbound vessel. 85: INLAND ONLY A power-driven vessel crossing a river on the Great Lakes or Western Rivers, must keep out of the way of a power-driven vessel __________.
N a. descending the river with a tow N b. ascending the river with a tow N c. ascending the river without a tow Y d. All of the above 125: INLAND ONLY Under the Inland Navigation Rules, the term "Inland Waters" includes __________.
N a. any waters marked by U.S. aids to navigation N b. harbors and rivers to the outermost aids to navigation N c. waters along the coast of the United States to a distance of two miles offshore Y d. the Western Rivers, extending to the COLREGS demarcation line 258: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 41 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile. Y b. If a passing agreement is reached by radiotelephone, whistle signals are optional. N c. If a passing agreement is reached by radiotelephone whistle signals are still required. N d. None of the above 278: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )
N a. visible for at least one mile N b. more than 50 meters apart Y c. visible at night and during periods of restricted visibility N d. flashing at intervals of 120 flashes per minute 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 324: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a green sidelight? (DIAGRAM 23 )
N a. A Y b. B N c. C N d. D 728: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
N a. river bank protection N b. conducting submarine operations Y c. firefighting N d. law enforcement 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 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 4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
Y a. She must show sidelights and a stern light in restricted visibility. N b. She may show an all-round white light at the top of the mast. N c. She need not show a stern light if she is showing all-round lights on the mast. N d. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together. 4174: BOTH INTERNATIONAL & INLAND A vessel sounding a fog signal of one short, one prolonged, and one short blast is indicating that the vessel is __________.
N a. fishing N b. in distress Y c. at anchor N d. not under command 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. 4380: BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured shall sound __________.
N a. one short blast N b. one long blast N c. two short blasts Y d. one prolonged blast 4388: BOTH INTERNATIONAL & INLAND A stand-on vessel is __________.
N a. required to give way in a crossing situation N b. required to sound the first passing signal in a meeting situation N c. free to maneuver in any crossing or meeting situation as it has the right-of-way Y d. required to maintain course and speed in a crossing situation but may take action to avoid collision 4399: BOTH INTERNATIONAL & INLAND Which vessel would display a cone, apex downward?
N a. A fishing vessel with outlying gear Y b. A vessel proceeding under sail and machinery N c. A vessel engaged in diving operations N d. A vessel being towed 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 4472: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?
N a. A seaplane must exhibit appropriate lights but need not exhibit shapes. N b. A seaplane should show 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. 4504: BOTH INTERNATIONAL & INLAND While underway in a narrow channel, a vessel should stay __________.
N a. in the middle of the channel Y b. to the starboard side of the channel N c. to the port side of the channel N d. to the side of the channel that has the widest bends 4508: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in a combined lantern on the mast?
Y a. An 18-meter sailing vessel N b. A 10-meter sailing vessel also being propelled by machinery N c. A 25-meter sailing vessel N d. All of the above 4517: BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway?
N a. A 200-meter sailing vessel Y b. A 50-meter power-driven vessel N c. A 100-meter vessel engaged in fishing N d. All of the above 4559: BOTH INTERNATIONAL & INLAND A vessel aground at night is required to show two red lights in a vertical line as well as __________.
N a. not under command lights N b. restricted in her ability to maneuver lights Y c. anchor lights N d. sidelights and a stern light 4591: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
N a. only anchor in the separation zone N b. cross a traffic lane at as small an angle as possible Y c. avoid anchoring in areas near the termination of the scheme N d. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed 4643: BOTH INTERNATIONAL & INLAND A sailing vessel underway at night may show __________.
Y a. a red light over a green light at the masthead N b. a green light over a red light at the masthead N c. two white lights in a vertical line at the stern N d. an all-round white light at the bow 4649: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in one combined lantern?
N a. A 10-meter power-driven vessel N b. A 15-meter vessel propelled by sail and machinery Y c. A 10-meter sailing vessel N d. All of the above 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 4726: BOTH INTERNATIONAL & INLAND A tug is towing three unmanned barges astern in fog. The third vessel of the tow should sound __________.
Y a. no fog signal N b. one short blast N c. one prolonged and three short blasts N d. one prolonged, one short, and one prolonged blast 4732: INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.
N a. trolling N b. fishing in a traffic separation zone Y c. in close proximity to other vessels engaged in fishing N d. in a narrow channel 4828: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.
N a. there are other vessels in the vicinity N b. operating in a traffic separation scheme N c. engaged in a situation involving more than two vessels Y d. necessary to avoid immediate danger 6530: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
N a. stop your engines Y b. take all way off, if necessary N c. begin a radar plot N d. All of the above