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.
24: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown would you show on the after end of an inconspicuous partially submerged vessel or object being towed less than 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. No day-shape would be shown. 58: INLAND ONLY While underway, you sight the lights as shown, with the yellow lights flashing. You should __________. (DIAGRAM 81 )
N a. wait until the vessel ahead crosses your bow N b. stop until the red lights turn green N c. proceed leaving all the lights on your starboard side Y d. pass between the two sets of vertical red lights 75: INLAND ONLY You are on vessel "A", and vessel "B" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 31 )
N a. alter course to the left N b. slow your vessel until vessel "B" has passed Y c. hold course and speed N d. alter course to the left to give vessel "B" more sea room 92: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, below the Huey P. Long Bridge, shall carry __________.
N a. two masthead lights, sidelights and stern light Y b. two masthead lights, sidelights and two towing lights N c. sidelights and two towing lights N d. one masthead light, sidelights and stern light 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 176: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )
Y a. 40-meter tug with tow exceeding 200 meters N b. tug unable to maneuver as required by the Rules N c. range marking a channel beneath a drawbridge N d. 60-meter tug pushing a barge ahead 244: BOTH INTERNATIONAL & INLAND You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", a large tanker which can safely navigate only within the channel, sounds five short and rapid blasts. You should __________. (DIAGRAM 32 )
N a. sound one prolonged followed by two short blasts N b. not answer the whistle signal from vessel "B" N c. maintain course and speed Y d. not impede the passage of vessel "B" 254: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which is one of the lights on vessel "B" that you will see if you are on vessel "A"? (DIAGRAM 41 )
N a. red sidelight N b. yellow towing light Y c. special flashing light N d. All of the above 349: 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. Vessel "B" should sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. one short blast N c. two short blasts Y d. None of the above 383: INLAND ONLY You are meeting "head on" a tug towing a barge alongside about a mile away. In addition to the white masthead lights which other lights do you see on the tug and tow combined?
N a. One green and one red sidelight on the outside of the unit N b. One green and one red sidelight and a special flashing light N c. Only the green and red sidelights marking each vessel Y d. The green and red sidelights marking each vessel and a special flashing light 385: INLAND ONLY Which statement is TRUE concerning the fog signal of a canal boat 25 meters in length, anchored in a "special anchorage area" approved by the Secretary?
Y a. The vessel is not required to sound a fog signal. N b. The vessel shall ring a bell for 5 seconds every minute. N c. The vessel shall sound one blast of the whistle every 2 minutes. N d. The vessel shall sound three blasts on the whistle every 2 minutes. 4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.
N a. vessel not under command N b. sailing vessel Y c. vessel being towed (manned) N d. vessel being towed (unmanned) 4045: BOTH INTERNATIONAL & INLAND A vessel shall be deemed to be overtaking when she can see at night __________.
Y a. only the stern light of the vessel N b. a sidelight and one masthead light of the vessel N c. only a sidelight of the vessel N d. any lights except the masthead lights of the vessel 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 4284: BOTH INTERNATIONAL & INLAND Which statement is true concerning a vessel equipped with operational radar?
N a. The Master of the vessel must be on the bridge when the radar is in use. 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. Y d. This equipment must be used to obtain early warning of risk of collision. 4314: BOTH INTERNATIONAL & INLAND In order for a vessel to be "engaged in fishing" she must be __________.
N a. underway N b. using gear which extends more than 50 meters outboard N c. using a seine of some type Y d. using gear which restricts her maneuverability 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 4350: BOTH INTERNATIONAL & INLAND While underway in fog you hear the rapid ringing of a bell. What does this signal indicate?
N a. A vessel backing down N b. A sailboat underway Y c. A vessel at anchor N d. A vessel drifting 4352: BOTH INTERNATIONAL & INLAND What is the minimum vessel length which must show two white masthead lights, one forward and one aft, when underway at night?
N a. 7 meters N b. 20 meters Y c. 50 meters N d. 100 meters 4359: BOTH INTERNATIONAL & INLAND Your vessel is underway but stopped and making no way through the water when fog sets in. Which fog signal should you sound?
N a. One prolonged blast on the whistle N b. One prolonged blast and two short blasts on the whistle Y c. Two prolonged blasts on the whistle N d. One short, one prolonged, and one short blast on the whistle 4371: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.
N a. one sidelight of a vessel ahead of you N b. one sidelight and a masthead light of a vessel ahead of you N c. one sidelight, a masthead light, and a range light of a vessel ahead of you Y d. both sidelights of a vessel dead ahead of you 4436: BOTH INTERNATIONAL & INLAND A white masthead light shows through an arc of how many degrees?
N a. 90° N b. 112.5° Y c. 225° N d. 360° 4588: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left N b. sound whistle signals only if you change course Y c. sound only fog signals until the other vessel is sighted N d. not sound any whistle signals until the other vessel is sighted 4725: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?
N a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only Y d. A bell and a whistle 4849: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range N b. the vessel is not subject to vibrations N c. you are traveling slower than surrounding vessels Y d. you can take proper and effective action to avoid collision 6510: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
Y a. take all way off, if necessary N b. stop your engines N c. begin a radar plot N d. All of the above 6540: BOTH INTERNATIONAL & INLAND A vessel may enter a traffic separation zone __________.
N a. in an emergency N b. to engage in fishing within the zone N c. to cross the traffic separation scheme Y d. All of the above 8004: INTERNATIONAL ONLY When moving from a berth alongside a quay (wharf), a vessel must sound __________.
N a. three short blasts N b. a long blast N c. a prolonged blast Y d. No signal is required. 8028: INTERNATIONAL ONLY In a crossing situation on international waters, a short blast by the give-way vessel indicates that the vessel __________.
N a. is holding course and speed Y b. is turning to starboard N c. intends to pass port to port N d. will keep out of the way of the stand-on vessel 8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?
N a. A black diamond Y b. A cylinder N c. A black ball N d. A black cone, apex upward