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.
11: INLAND ONLY When you are overtaking another vessel and desire to pass on her left or port hand, you should sound __________.
N a. one short blast N b. one long blast Y c. two short blasts N d. two prolonged blasts 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. 54: INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?
N a. 1 Y b. 2 N c. 3 N d. None 71: INLAND ONLY Which is TRUE of a power-driven vessel, bound downstream, when meeting an upbound vessel on the Western Rivers?
N a. She has the right-of-way. N b. She shall propose the manner of passage. N c. She shall initiate maneuvering signals. Y d. All of the above 83: INLAND ONLY If your tug is pushing a barge ahead at night and it is not a composite unit, which light(s) should show aft on your vessel?
N a. A white stern light N b. Two red lights Y c. Two towing lights N d. A towing light over the stern light 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 116: BOTH INTERNATIONAL & INLAND You are on a 30-meter fishing vessel. Which day shape must you show while engaged in fishing? (DIAGRAM 16 )
N a. A N b. B Y c. C N d. D 172: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. sailing vessel N b. vessel engage in trawling Y c. power-driven vessel N d. mineclearance vessel 173: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. submarine on the surface Y b. power-driven vessel N c. sailing vessel N d. vessel engaged in trawling 200: INLAND ONLY A partially submerged object towed by a vessel must show during the day one __________.
Y a. diamond shape regardless of length of the tow N b. diamond shape only when the length of the tow exceeds 200 meters in length N c. black ball N d. black ball only when the length of the tow exceeds 200 meters in length 266: INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown. Vessel "A" is downbound with a following current. Vessel "B" shall __________. (DIAGRAM 37 )
N a. propose the manner of passage N b. have the right of way N c. initiate the maneuvering signals Y 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 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 331: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. green sidelight N c. masthead light Y d. None of the above 342: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to leave you on my starboard side" N b. "I am operating astern propulsion port side" N c. "I am altering my course to starboard" Y d. None of the above 4000: BOTH INTERNATIONAL & INLAND Your vessel is 75 meters in length and restricted in her ability to maneuver. Visibility is restricted. What signal do you sound if you are carrying out your work at anchor?
N a. Five seconds ringing of a bell at intervals of not more than one minute Y b. One prolonged blast followed by two short blasts on the whistle at intervals of not more than two minutes N c. Five seconds ringing of a bell and five second sounding of a gong at intervals of not more than one minute N d. Four short blasts on the whistle at intervals of not more than two minutes 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. 4225: BOTH INTERNATIONAL & INLAND A single towing light will be carried above a vessel's stern light __________.
Y a. only if she is towing astern N b. only if the tow exceeds 200 meters N c. at any time when towing N d. if the towing vessel is part of a composite unit 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 4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light Y b. sidelights and a stern light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a stern light 4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light Y b. sidelights and a stern light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a stern light 4343: BOTH INTERNATIONAL & INLAND Risk of collision may exist __________.
N a. if the compass bearing of an approaching vessel does NOT appreciably change N b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range N c. if you observe both sidelights of a vessel ahead for an extended period of time Y d. All of the above 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 4456: BOTH INTERNATIONAL & INLAND What is the required fog signal for a manned vessel being towed at night?
N a. One prolonged followed by one short blast Y b. One prolonged followed by three short blasts N c. One prolonged followed by two short blasts N d. Two prolonged blasts 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 4524: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
N a. Whistle only N b. Bell only Y c. Whistle and bell only N d. Whistle, bell, and gong 4680: BOTH INTERNATIONAL & INLAND Day-shapes must be displayed __________.
N a. between sunset and sunrise N b. only between 8 AM and 4 PM Y c. during daylight hours in any visibility N d. during daylight hours in unrestricted visibility only 4825: BOTH INTERNATIONAL & INLAND What is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?
N a. Two yellow lights in a vertical line for a carrier launching aircraft N b. Green masthead and yardarm lights for a vessel engaged in mineclearing operations Y c. Flashing amber beacon for submarines N d. Yellow flares indicating torpedo firing exercises 5100: BOTH INTERNATIONAL & INLAND Lighting requirements in inland waters are different from those for international waters for __________.
N a. barges being towed astern N b. vessels not under command Y c. vessels pushing ahead N d. All of the above 8031: INTERNATIONAL ONLY Which statement(s) is(are) TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. Y b. The time between successive signals shall be not less than ten seconds. N c. The light signals are to be used when not using sound signals. N d. All of the above