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.
26: INLAND ONLY A law enforcement boat may display a __________.
N a. blue flag Y b. flashing blue light N c. flashing red light N d. flashing amber light 152: BOTH INTERNATIONAL & INLAND The vessel showing the day signal is __________. (DIAGRAM 22 )
N a. A vessel engaged in mine clearance operations N b. A fishing vessel with gear extending more than 150 meters horizontally N c. A trawler shooting nets in the direction indicated Y d. A tug with a tow exceeding 200 meters unable to deviate from course 158: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. dredging while underway Y b. not under command N c. engaged in trawling N d. engaged in mineclearance 168: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. NW N b. SW N c. NE Y d. SE 190: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. barge being pushed ahead N b. barge being towed astern Y c. tug pushing a barge ahead N d. tug towing a barge astern 190: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. barge being pushed ahead N b. barge being towed astern Y c. tug pushing a barge ahead N d. tug towing a barge astern 224: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
N a. None Y b. Two N c. One N d. One, on the near approach of another vessel 376: BOTH INTERNATIONAL & INLAND Which vessel must show forward and after masthead lights when making way?
Y a. A 75-meter vessel restricted in her ability to maneuver N b. A 100-meter sailing vessel N c. A 150-meter vessel engaged in fishing N d. A 45-meter vessel engaged in towing 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 4012: BOTH INTERNATIONAL & INLAND A vessel which displays the day signal shown may be engaged in __________. (DIAGRAM 6 )
Y a. submarine cable laying N b. pilotage duty N c. fishing N d. mineclearance 4026: BOTH INTERNATIONAL & INLAND Which is a distress signal?
N a. Firing of green star shells N b. Sounding 5 short blasts on the whistle N c. Answering a one blast whistle signal with two blasts Y d. A flaming barrel of oil on deck 4109: BOTH INTERNATIONAL & INLAND A vessel towing in fog shall sound a fog signal of __________.
N a. one prolonged blast every one minute N b. two prolonged blasts every two minutes Y c. one prolonged and two short blasts every two minutes N d. one prolonged blast every two minutes 4124: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and pushing ahead when vessel "B" is sighted off the starboard bow as shown. Which vessel is the stand-on vessel? (DIAGRAM 28 )
N a. Vessel "A" is the stand-on vessel because it is to port. N b. Vessel "A" is the stand-on vessel because it is pushing ahead. Y c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel. 4182: BOTH INTERNATIONAL & INLAND Distress signals may be __________.
N a. red flares N b. smoke signals N c. sound signals Y d. Any of the above 4197: BOTH INTERNATIONAL & INLAND A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and __________.
N a. during the day, three balls in a vertical line N b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond Y c. when making way at night, sidelights and a stern light N d. when making way at night, masthead lights, sidelights, and a stern light 4217: BOTH INTERNATIONAL & INLAND A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.
N a. danger, stay away N b. all is clear, it is safe to pass N c. the vessel is anchored Y d. a distress signal 4250: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 60 )
Y a. towing N b. being towed N c. broken down N d. fishing 4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?
Y a. A diamond N b. A cone N c. One black ball N d. Two black balls in a vertical line 4419: BOTH INTERNATIONAL & INLAND A vessel 25 meters in length must have which sound signaling appliance onboard?
N a. None is required N b. Whistle only Y c. Whistle and bell only N d. Whistle, bell, and gong 4603: BOTH INTERNATIONAL & INLAND In addition to sidelights what light should a vessel being towed astern show?
Y a. A stern light N b. A masthead light N c. Not under command lights N d. Range lights 4711: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?
N a. A vessel trawling N b. A vessel not under command Y c. A pilot vessel N d. A vessel engaged in dredging 4734: BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.
N a. white lights are not used N b. red and green lights are not used Y c. the signal cannot be mistaken for a signal authorized by the Rules N d. the vessel signals such intentions over the radiotelephone 4736: BOTH INTERNATIONAL & INLAND In restricted visibility a towed vessel must sound a fog signal when it is _____________ .
N a. the last vessel in the tow Y b. the last vessel in the tow and it is carrying a crew N c. manned, regardless of its position in the tow N d. None of the above are correct 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 4835: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. a barge permanently affixed to the shore Y b. nondisplacement craft N c. a drilling unit attached to the Outer Continental Shelf N d. All of the above 4853: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is about one mile distant and is on your starboard bow. You believe she will cross ahead of you but she sounds a whistle signal of five short blasts. You should __________.
N a. answer the signal and hold course and speed N b. reduce speed slightly N c. initiate a passing signal that will allow for a half mile clearance Y d. make a large course change, and slow down if necessary 8071: INTERNATIONAL ONLY Which vessel is NOT regarded as being "restricted in her ability to maneuver"?
N a. A vessel servicing an aid to navigation N b. A vessel engaged in dredging N c. A towing vessel with tow unable to deviate from its course Y d. A vessel constrained by her draft 8075: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. Two short blasts followed by two prolonged blasts Y b. Two prolonged followed by two short blasts N c. Two prolonged blasts only N d. Two short blasts only 8082: INTERNATIONAL ONLY Which statement is TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. N b. The light signals are to be used when not using sound signals. Y c. The time between successive signals shall be not less than ten seconds. N d. All of the above 8102: INTERNATIONAL ONLY Which statement is TRUE concerning a vessel "constrained by her draft"?
N a. She is hampered because of her work. N b. She is unable to maneuver due to some exceptional circumstance. N c. She may be a vessel being towed. Y d. She must be a power-driven vessel.