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.
16: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.
N a. the Western Rivers N b. the Great Lakes on the United States side of the International Boundary N c. harbors and rivers shoreward of the COLREGS demarcation lines Y d. All of the above 67: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.
N a. two short blasts N b. one long blast Y c. one prolonged blast N d. the danger signal 107: INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. What whistle signal should be sounded in order to state this intention?
N a. 1 prolonged and 1 short blast N b. 1 short blast N c. 2 prolonged and 2 short blasts Y d. 2 short blasts 222: 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. 1 N b. 3 N c. None Y d. 2 235: 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 240: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown and will pass without changing course. Which light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )
N a. yellow towing light Y b. white stern light N c. green sidelight N d. None of the above 313: INLAND ONLY You see the lights shown while proceeding in a channel. Where should you pass? (DIAGRAM 85 )
Y a. A N b. B N c. C N d. D 329: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. red sidelight N c. stern light Y d. None of the above 357: 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 starboard side" N b. "I intend to intend to overtake you on your port side" N c. "I am altering my course to port" Y d. None of the above 4097: BOTH INTERNATIONAL & INLAND When navigating in restricted visibility, a power-driven vessel shall __________.
N a. stop her engines when hearing a fog signal forward of her beam, even if risk of collision does not exist Y b. have her engines ready for immediate maneuver N c. when making way, sound one prolonged blast at intervals of not more than one minute N d. operate at a speed to be able to stop in the distance of her visibility 4131: BOTH INTERNATIONAL & INLAND What day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?
N a. Two balls N b. Two diamonds N c. One ball Y d. One diamond 4144: BOTH INTERNATIONAL & INLAND At night, a vessel which is less than 7 meters in length and anchored in an area where other vessels do not normally navigate is __________.
Y a. not required to show any anchor lights N b. required to show a flare-up light N c. required to show one white light N d. required to show sidelights and a stern light 4311: BOTH INTERNATIONAL & INLAND Which vessel would show 3 day-shapes in a vertical line, the highest and lowest being balls and the middle shape being a diamond?
N a. Vessel not under command N b. Vessel constrained by her draft N c. Vessel minesweeping Y d. Vessel restricted in her ability to maneuver 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 4360: BOTH INTERNATIONAL & INLAND While underway, you see a vessel displaying the day-shapes shown. Which action should you take? (DIAGRAM 6 )
N a. Maintain course and speed N b. Provide assistance, the other vessel is in distress Y c. Stay clear, the other vessel is maneuvering with difficulty N d. Stop your vessel and sound passing signals 4375: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear a signal of three strokes of a bell, a rapid ringing of the bell, and three more strokes of the bell. This signal indicates a vessel __________.
N a. at anchor, giving warning Y b. aground N c. at anchor, greater than 100 meters N d. not under command at anchor 4375: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear a signal of three strokes of a bell, a rapid ringing of the bell, and three more strokes of the bell. This signal indicates a vessel __________.
N a. at anchor, giving warning Y b. aground N c. at anchor, greater than 100 meters N d. not under command at anchor 4415: BOTH INTERNATIONAL & INLAND Which signal may be used by a vessel that is in doubt as to whether sufficient action is being taken by another vessel to avoid collision?
N a. A continuous sounding of the fog horn N b. Firing a gun every minute Y c. Five or more short rapid blasts on the whistle N d. One prolonged blast on the whistle 4457: BOTH INTERNATIONAL & INLAND If you anchor your 25-meter vessel in a harbor, what light(s) must you show?
Y a. One all-round white light N b. Two all-round white lights N c. One all-round red light N d. All the deck house lights 4458: BOTH INTERNATIONAL & INLAND You see the lights shown as illustrated on your port bow. You should __________. (DIAGRAM 50 )
Y a. hold course and speed N b. alter course to port N c. stop engines N d. sound the danger signal 4547: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
N a. A bell only N b. A whistle only N c. A bell and a whistle Y d. Any means of making an efficient sound signal 4550: BOTH INTERNATIONAL & INLAND Which statement concerning an overtaking situation is correct?
N a. The overtaking vessel is the stand-on vessel. N b. Neither vessel is the stand-on vessel. N c. The overtaking vessel must maintain course and speed. Y d. The overtaking vessel must keep out of the way of the other. 4551: BOTH INTERNATIONAL & INLAND The Rules state that a vessel overtaking another vessel is relieved of her duty to keep clear when __________.
N a. she is forward of the other vessel's beam N b. the overtaking situation becomes a crossing situation Y c. she is past and clear of the other vessel N d. the other vessel is no longer in sight 4590: BOTH INTERNATIONAL & INLAND A vessel being towed, if manned, shall sound a fog signal of __________.
N a. two short blasts N b. three short blasts N c. one prolonged and two short blasts Y d. one prolonged and three short blasts 4612: BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.
N a. vessel laying cable N b. vessel towing a submerged object N c. vessel not under command Y d. air cushion vessel 4614: BOTH INTERNATIONAL & INLAND Which vessel may show identifying lights when not actually engaged in her occupation?
N a. A fishing vessel N b. A pilot vessel N c. A mineclearance vessel Y d. None of the above 4627: BOTH INTERNATIONAL & INLAND While underway you sight a vessel displaying the day-shapes shown. You should __________. (DIAGRAM 6 )
N a. contact the vessel on VHF radiotelephone N b. provide assistance, the other vessel is in distress Y c. stay clear, the other vessel cannot get out of the way N d. stop your vessel and sound passing signals 4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.
N a. limitations of radar equipment N b. presence of background lights at night Y c. maximum horsepower of your vessel N d. maneuverability of your vessel 4866: BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?
N a. The one with the wind closest abeam Y b. The one to windward N c. The one to leeward N d. The one that sounds the first whistle signal 6550: BOTH INTERNATIONAL & INLAND In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so __________.
Y a. at as small an angle as possible N b. as nearly as practical at right angles to the general direction of traffic flow N c. only in case of an emergency or to engage in fishing within the zone N d. never