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.
42: INLAND ONLY You are underway in a narrow channel, and are being overtaken by another power-driven vessel. The overtaking vessel sounds the signal indicating his intention to pass you on your starboard side. You signal your agreement by sounding __________.
Y a. one short blast N b. two prolonged blasts N c. two prolonged followed by two short blasts N d. one prolonged, one short, one prolonged, and one short blast in that order 47: INLAND ONLY A flashing blue light is used to identify __________.
Y a. law enforcement vessels N b. U.S. submarines N c. air-cushion vessels in the nondisplacement mode N d. dredge pipelines on trestles 70: INLAND ONLY Vessels "A" and "B" are meeting in a narrow channel as shown. Which statement is TRUE concerning whistle signals between the vessels? (DIAGRAM 29 )
Y a. Both vessels should sound two short blasts. N b. Both vessels should sound one short blast. N c. Vessel "A" should sound one short blast and vessel "B" should sound two short blasts. N d. Neither vessel should sound any signal as no course change is necessary. 98: INLAND ONLY You are aboard the stand-on vessel in a crossing situation. You sound a one blast whistle signal. The give-way vessel answers with a two blast whistle signal. You should sound the danger signal and __________.
N a. maintain course and speed as you are the stand-on vessel N b. come around sharply to port Y c. take precautionary action until a safe passing agreement is made N d. maneuver around the stern of the other vessel 149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.
N a. two masthead lights, sidelights, and stern light N b. two masthead lights, sidelights, and two towing lights Y c. sidelights and two towing lights N d. one masthead light, sidelights, and stern light 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 246: INLAND ONLY You are on vessel "A" as shown in a narrow channel. Vessel "B" sounds two short blasts. If you are in agreement you should __________. (DIAGRAM 32 )
Y a. sound two short blasts N b. sound two prolonged followed by two short blasts N c. not answer the whistle signals from vessel "B" N d. None of the above 262: INLAND ONLY When power-driven vessels are in sight of one another, passing signals shall be sounded when __________.
Y a. meeting or crossing within half a mile of each other N b. meeting within one mile of each other N c. meeting or crossing at any distance N d. crossing within one mile of each other 297: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
Y a. tug and a barge being towed astern N b. vessel constrained by her draft N c. vessel in the nondisplacement mode N d. vessel not under command 312: INLAND ONLY You see the lights shown while proceeding in a channel. What should you do? (DIAGRAM 85 )
N a. Proceed at full see speed through the two sets of double red lights. N b. Stop the vessel and await the red lights to change to green. Y c. Slow down and pass between the two sets of double red lights. N d. None of the above 320: 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 N b. a ball, a diamond and another ball Y c. two cones with apexes together N d. a diamond 323: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a red sidelight? (DIAGRAM 23 )
Y a. A N b. B N c. C N d. D 363: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
N a. burdened vessel N b. give-way vessel N c. overtaking vessel Y d. None of the above 396: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. vessel aground N b. submarine on the surface N c. vessel engaged in trawling Y d. vessel under oars 4186: BOTH INTERNATIONAL & INLAND A vessel fishing should display which of the day signals shown. (DIAGRAM 1 )
N a. A Y b. B N c. C N d. D 4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.
N a. merchant vessel reporting systems Y b. traffic separation schemes N c. collision avoidance fairways N d. restricted maneuverability channels 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. 4289: BOTH INTERNATIONAL & INLAND You are on a power-driven vessel in fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists __________.
N a. slow to less than 2 knots Y b. reduce to bare steerageway N c. stop your engines N d. initiate a radar plot 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 4491: BOTH INTERNATIONAL & INLAND Barges being towed at night __________.
Y a. must be lighted at all times N b. must be lighted only if manned N c. must be lighted only if towed astern N d. need not be lighted 4512: BOTH INTERNATIONAL & INLAND Which vessel must sound her fog signal at intervals not to exceed one minute?
N a. A power-driven vessel underway, not making way N b. A vessel constrained by her draft N c. A vessel engaged in fishing, at anchor Y d. A vessel aground 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 4592: BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.
N a. only at night N b. only during restricted visibility N c. at night and during restricted visibility Y d. at all times 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 4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.
N a. vessel being towed N b. fishing vessel engaged in trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 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°) 4871: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?
Y a. Your vessel is obligated to stay out of the way. N b. The other vessel must give way, since your vessel is stopped. N c. You should be showing the lights or shapes for a vessel not under command. N d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver. 8038: INTERNATIONAL ONLY In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?
N a. When overtaking in restricted visibility Y b. When overtaking in a narrow channel N c. When overtaking on open waters N d. When no other vessels are in the immediate area 8040: INTERNATIONAL ONLY Which vessel may NOT exhibit two red lights in a vertical line?
Y a. A vessel constrained by her draft N b. A trawler fishing in close proximity to other trawlers N c. A vessel aground N d. A dredge 8098: INTERNATIONAL ONLY If at night a vessel displays three all-round red lights in a vertical line, during the day she may show __________.
N a. two cones, base to base N b. three black balls in a vertical line Y c. a cylinder N d. a cone, apex downward