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.
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 210: INLAND ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light Y b. sidelights, stern light and a special flashing light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a 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 245: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )
N a. sound two prolonged blasts followed by two short blasts N b. sound two short blasts Y c. maintain course and speed N d. None of the above 260: 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 __________.
Y a. search and rescue N b. restricted in ability to maneuver N c. not under command N d. river bank protection 333: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight Y c. green sidelight N d. stern light 335: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight N c. green sidelight 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 356: 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 am intend to leave you on my port side" N b. "I intend to intend to overtake you on your port side" Y c. "I am altering my course to starboard" N d. None of the above 384: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a __________. (DIAGRAM 78 )
N a. vessel restricted in her ability to maneuver N b. fishing vessel underway Y c. pilot vessel underway N d. vessel not under command 390: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command Y b. under oars N c. engaged in fishing N d. towing 4016: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?
Y a. She must use this equipment to obtain early warning of risk of collision. N b. The radar equipment is only required to be used in restricted visibility. N c. The use of a radar excuses a vessel from the need of a look-out. N d. The safe speed of such a vessel will likely be greater than that of vessels without radar. 4018: BOTH INTERNATIONAL & INLAND Which is a distress signal?
N a. A triangular flag above or below a ball N b. The International Code Signal of distress indicated by "JV" N c. A green smoke signal Y d. Flames on the vessel as from a burning tar barrel 4066: BOTH INTERNATIONAL & INLAND The wind is ESE, and a sailing vessel is steering NW. Which fog signal should she sound?
N a. One blast at one-minute intervals N b. One blast at two-minute intervals N c. Two blasts at one-minute intervals Y d. One prolonged and two short blasts at two-minute intervals 4078: BOTH INTERNATIONAL & INLAND You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should __________.
N a. stop your vessel N b. change course to the left N c. change course to the right Y d. hold your course and speed 4099: BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.
N a. two balls in a vertical line Y b. two diamonds in a vertical line N c. a single black ball N d. no shape is shown during the day 4149: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 84 )
Y a. not under command N b. showing improper lights N c. towing N d. dredging 4159: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a __________.
N a. vessel not under command N b. vessel engaged in fishing N c. sailing vessel Y d. All of the above 4180: BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing astern, shall show __________.
N a. two towing lights in a vertical line Y b. a towing light in a vertical line above the stern light N c. two towing lights in addition to the stern light N d. a small white light in lieu of the stern light 4221: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds which fog signal?
N a. Two short blasts every one minute N b. One short blast every one minute N c. Two prolonged blasts every two minutes Y d. One prolonged blast every two minutes 4266: BOTH INTERNATIONAL & INLAND On open waters, a power-driven vessel shall keep out of the way of a __________.
N a. vessel on her port side that is crossing her course N b. vessel that is overtaking her N c. seaplane on the water Y d. sailing vessel 4441: BOTH INTERNATIONAL & INLAND At night, power-driven vessels less than 12 meters in length may, instead of the underway lights for vessels under 50 meters, show which lights?
N a. Sidelights and stern light Y b. One all-round white light and sidelights N c. Masthead light only N d. Stern light only 4451: BOTH INTERNATIONAL & INLAND Every vessel should at all times proceed at a "safe speed". "Safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range Y b. you can take proper and effective action to avoid collision N c. you are traveling slower than surrounding vessels N d. no wake comes from your vessel 4513: BOTH INTERNATIONAL & INLAND By day, you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls, and the middle shape is a diamond. It could be a __________.
N a. vessel trolling N b. mineclearing vessel N c. trawler Y d. vessel engaged in replenishment at sea 4586: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing one red light of a vessel directly ahead N b. Seeing two forward white towing lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights of a vessel directly ahead 4692: BOTH INTERNATIONAL & INLAND What is NOT a vessel "restricted in her ability to maneuver"?
N a. A vessel laying engaged in laying submarine cable N b. A vessel towing with limited maneuverability due to a large unwieldy tow Y c. A deep-draft vessel that can only navigate in a dredged channel N d. A towing vessel underway with a fuel barge alongside and taking on fuel 4700: BOTH INTERNATIONAL & INLAND What does the word "length" refer to?
N a. Length between the perpendiculars Y b. Length overall N c. Waterline length N d. Registered length 4730: INLAND ONLY Which of the following signals may be exhibited by a vessel trawling in close proximity to other fishing vessels?
Y a. Two white lights in a vertical line N b. A red light over a white light in a vertical line N c. Two fixed yellow lights in a vertical line N d. All of the above 4875: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel being towed, if manned, shall sound a signal of __________.
Y a. one prolonged and three short blasts N b. one prolonged and two short blasts N c. three short blasts N d. two short blasts 8060: INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. According to Rule 9, you __________.
Y a. may sound the danger signal N b. must sound one prolonged and two short blasts N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down