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.
52: INLAND ONLY Whistle signals shall be exchanged by vessels in sight of one another when __________.
Y a. they are passing within half a mile of each other N b. passing agreements have been made by radio N c. course changes are necessary to pass N d. doubt exists as to which side the vessels will pass on 128: BOTH INTERNATIONAL & INLAND You are on a sailing vessel. While under sail you decide to use your engine to assist in propulsion. Which day signal would you show? (DIAGRAM 16 )
N a. D N b. C N c. B Y d. None of these day signals are correct. 132: INLAND ONLY Which statement is TRUE of a power-driven vessel proceeding downbound with the current, when meeting an upbound vessel on the Western Rivers?
N a. She shall not impede the upbound vessel. N b. She shall pass on the port side of the other. Y c. She shall propose the manner of passage. N d. All of the above 153: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )
N a. fishing vessel engaged in fishing N b. trawler dragging nets Y c. sailing vessel N d. dredge at work 179: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a dredge underway and not dredging? (DIAGRAM 72 )
N a. A Y b. B N c. C N d. D 208: INTERNATIONAL ONLY A single vessel being towed alongside shall show __________.
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 219: INLAND ONLY You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST __________.
N a. keep to that side of the channel which is on your vessel's port side N b. stop your vessel, letting the outbound vessel sound the signals for meeting and passing Y c. propose or answer one- or two-blast whistle signals given by the other vessel if passing within 1/2 mile N d. give the outbound vessel the right-of-way 315: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
Y a. fishing N b. sailing N c. a pilot boat N d. anchored 317: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
N a. a pilot boat N b. sailing N c. anchored Y d. fishing 386: INLAND ONLY Which statement is TRUE concerning the fog signal of a barge 35 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel shall ring a bell for 5 seconds every minute. Y b. The vessel is not required to sound a fog signal. 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. 4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )
N a. towing N b. conducting underwater operations N c. drifting Y d. aground 4084: BOTH INTERNATIONAL & INLAND If you are approaching a bend, and hear a whistle signal of one prolonged blast from around the bend, you should answer with a signal of __________.
N a. a short blast Y b. a prolonged blast N c. one short, one prolonged, and one short blast N d. a long blast 4174: BOTH INTERNATIONAL & INLAND A vessel sounding a fog signal of one short, one prolonged, and one short blast is indicating that the vessel is __________.
N a. fishing N b. in distress Y c. at anchor N d. not under command 4208: BOTH INTERNATIONAL & INLAND Five or more short blasts on a vessel's whistle indicates that she is __________.
Y a. in doubt that another vessel is taking sufficient action to avoid a collision N b. altering course to starboard N c. altering course to port N d. the stand-on vessel and will maintain course and speed 4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.
N a. red light over a green light at the masthead N b. white masthead light N c. combined lantern Y d. stern light 4234: BOTH INTERNATIONAL & INLAND What lights, if any, would you exhibit at night if your vessel were broken down and being towed by another vessel?
N a. None N b. Same lights as for a power-driven vessel underway N c. A white light forward and a white light aft Y d. The colored sidelights and a white stern light 4255: BOTH INTERNATIONAL & INLAND A stand-on vessel in a crossing situation is allowed to take action when __________.
N a. on a collision course N b. the vessels will pass within one mile Y c. it becomes apparent to her that the give-way vessel is not taking appropriate action N d. the relative speed of the vessels indicates collision in less than six minutes 4378: BOTH INTERNATIONAL & INLAND While you are underway, navigation lights must be displayed on your vessel __________.
Y a. during all periods of restricted visibility N b. at all times N c. at night only when other vessels may be in the area N d. at night only when vessels are detected on radar 4393: BOTH INTERNATIONAL & INLAND Which light(s) is(are) AMONG those shown by a 200-meter vessel at anchor?
N a. In the forepart of the vessel, a 225° white light N b. In the after part of the vessel, a 135° white light Y c. Any available working lights to illuminate the decks N d. In the fore part of the vessel, a 135° white light 4527: BOTH INTERNATIONAL & INLAND You are fishing at night, and you sight a vessel showing three lights in a vertical line. The upper and lower lights are red and the middle light is white. Which statement is TRUE?
Y a. You must keep out of the way of the other vessel. N b. The other vessel is responsible to keep out of your way. N c. The other vessel is at anchor. N d. The rule of special circumstances applies. 4530: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a partly submerged vessel being towed?
N a. It must show a yellow light at each end. N b. It will show red lights along its length. Y c. A diamond shape will be carried at the aftermost extremity of the tow. N d. All of the above 4544: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant and is presently on your starboard bow. You believe she will cross ahead of you. She then 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 to make sure she will have room to pass Y c. make a large course change, accompanied by the appropriate whistle signal, and slow down if necessary N d. wait for another whistle signal from the other vessel 4591: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
N a. only anchor in the separation zone N b. cross a traffic lane at as small an angle as possible Y c. avoid anchoring in areas near the termination of the scheme N d. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed 4657: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall __________.
N a. sound the danger signal N b. when taking action, make only course changes Y c. avoid altering course toward a vessel abaft the beam N d. All of the above 4661: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?
N a. By day, she shall carry a black cylinder shape. N b. By day, she shall carry two black balls in a vertical line. N c. By night, she would show the same lights as a vessel not under command. Y d. By day, she would show the same shapes as a vessel restricted in her ability to maneuver. 4683: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
N a. 135.0° N b. 112.5° Y c. 67.5° N d. 22.5° 4735: BOTH INTERNATIONAL & INLAND One of the signals, other than a distress signal, that can be used by a vessel to attract attention is a(n) __________.
N a. red star shell Y b. searchlight N c. burning barrel N d. orange smoke signal 4837: BOTH INTERNATIONAL & INLAND A vessel "restricted in her ability to maneuver" is one which __________.
N a. through some exceptional circumstance is unable to maneuver as required by the Rules Y b. from the nature of her work is unable to maneuver as required by the Rules N c. due to adverse weather conditions is unable to maneuver as required by the Rules N d. has lost steering and is unable to maneuver 8050: INTERNATIONAL ONLY A sailing vessel is overtaking a power-driven vessel in a narrow channel, so as to pass on the power-driven vessel's port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the __________.
N a. stand-on vessel and would sound two short blasts N b. give-way vessel and would sound no whistle signal N c. stand-on vessel and would sound no whistle signal Y d. give-way vessel and would sound two prolonged blasts followed by two short blasts 8131: INTERNATIONAL ONLY What characteristic must a light have if used to signal passing intentions?
Y a. It must be an all-round white light. N b. It must be an alternating blue and white light. N c. It must be an all-round white or yellow light. N d. It must be an alternating red and yellow light.