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.
181: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )
Y a. sailing vessel N b. 8-meter power-driven vessel N c. vessel not under command N d. 12-meter fishing vessel 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 324: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a green sidelight? (DIAGRAM 23 )
N a. A Y b. B N c. C N d. D 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 362: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds two short blasts on the whistle. You are on vessel "B" and are in doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )
N a. maintain course and speed N b. alter course to the right or slow down N c. sound one short blast and maintain course and speed Y d. sound five or more short and rapid blasts 389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command N b. engaged in fishing Y c. under oars N d. towing 389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command N b. engaged in fishing Y c. under oars N d. towing 397: INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?
N a. At least five short and rapid blasts Y b. Four short blasts N c. One prolonged, one short, one prolonged, and one short blast, in that order N d. Two short blasts 4035: BOTH INTERNATIONAL & INLAND When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT __________.
N a. one prolonged blast N b. two prolonged blasts N c. one prolonged and two short blasts Y d. ringing of a bell for five seconds 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 4151: BOTH INTERNATIONAL & INLAND While underway in fog you hear a vessel sound one prolonged blast followed by two short blasts. What does this signal indicate?
Y a. A vessel towing N b. A vessel being towed N c. A pilot vessel engaged on pilotage duty N d. A vessel aground 4194: BOTH INTERNATIONAL & INLAND At night, you are towing a partly submerged vessel, 20 meters in length and 4 meters in breadth. What lights must you display on the towed vessel?
N a. A white light at the stern N b. Two white lights side by side at the stern Y c. A white light at the forward end and a white light at the after end N d. Two red lights in a vertical line at the after end 4194: BOTH INTERNATIONAL & INLAND At night, you are towing a partly submerged vessel, 20 meters in length and 4 meters in breadth. What lights must you display on the towed vessel?
N a. A white light at the stern N b. Two white lights side by side at the stern Y c. A white light at the forward end and a white light at the after end N d. Two red lights in a vertical line at the after end 4203: BOTH INTERNATIONAL & INLAND If you hear the firing of a gun at one minute intervals from another vessel, this indicates that __________.
N a. the gun is being used to sound passing signals Y b. the vessel is in distress N c. all vessels are to clear the area N d. all is clear and it is safe to pass 4253: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty shall show identity lights __________.
N a. at any time while underway N b. while at anchor N c. while alongside a vessel Y d. All of the above 4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is __________.
N a. in distress N b. approaching a bend in the channel Y c. operating astern propulsion N d. intending to overtake another vessel 4329: BOTH INTERNATIONAL & INLAND Your vessel is 25 meters long and anchored in restricted visibility. You are required to sound the proper fog signal at intervals of not more than __________.
N a. 30 seconds Y b. one minute N c. two minutes N d. three minutes 4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?
Y a. 20 meters N b. 50 meters N c. 65 meters N d. 100 meters 4367: BOTH INTERNATIONAL & INLAND What would NOT be a distress signal?
N a. "MAYDAY" sent by radiotelephone N b. Continuous sounding of fog horn Y c. Green star shells fired from a launcher N d. Square flag and ball in a vertical line 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 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 4574: BOTH INTERNATIONAL & INLAND Which vessel shall NOT show her sidelights?
Y a. A fishing vessel that is not making way N b. A sailing vessel which is becalmed N c. A vessel engaged in underwater operations N d. A vessel that is not under command making way 4858: BOTH INTERNATIONAL & INLAND When underway in a channel, you should if safe and practicable __________.
N a. stay near the middle of the channel N b. keep to the starboard side of any vessels you meet N c. exchange whistle signals with any other vessels in the channel Y d. keep to the side of the channel which lies to your starboard 4864: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
N a. A vessel dredging Y b. A sailing vessel N c. A vessel servicing an aid to navigation N d. All of the above 4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
N a. The vessel making the most speed is the give-way vessel. Y b. A sailing vessel overtaking another is the give-way vessel. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 8014: INTERNATIONAL ONLY A power-driven vessel leaving a quay or wharf must sound what signal?
N a. Three short blasts N b. A long blast N c. A prolonged blast Y d. No signal is required. 8031: INTERNATIONAL ONLY Which statement(s) is(are) TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. Y b. The time between successive signals shall be not less than ten seconds. N c. The light signals are to be used when not using sound signals. N d. All of the above 8101: INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?
N a. The term only applies to vessels in narrow channels. Y b. She is severely restricted in her ability to change her course because of her draft in relation to the available depth and width of navigable water. N c. She is designated as a "vessel restricted in her ability to maneuver". N d. The vessel must be over 100 meters in length. 8113: INTERNATIONAL ONLY You are approaching another vessel and will pass safely starboard to starboard without changing course. You should __________.
Y a. hold course and sound no whistle signal N b. hold course and sound a two blast whistle signal N c. change course to starboard and sound one blast N d. hold course and sound one blast 8127: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?
N a. A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing. Y b. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver. N c. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft. N d. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.