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.
45: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel, and you wish to overtake on the other vessel's port side. You will sound a whistle signal of __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two 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. 2 243: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )
N a. sound two prolonged blasts followed by two short blasts Y b. not answer the whistle signal from vessel "B" N c. sound two short blasts and maintain course and speed N d. sound one prolonged, one short, one prolonged and one short blasts 332: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
Y a. red sidelight N b. green sidelight N c. masthead light N d. stern light 333: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight Y c. green sidelight N d. stern light 368: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )
N a. stand-on vessel Y b. give-way vessel N c. overtaking vessel N d. None of the above 727: INLAND ONLY Maneuvering signals shall be sounded on inland waters by __________.
N a. all vessels when meeting, crossing, or overtaking and in sight of one another N b. all vessels meeting or crossing at a distance within half a mile of each other and not in sight of one another Y c. power-driven vessels overtaking and in sight of one another N d. power-driven vessels crossing at a distance within half a mile of each other and NOT in sight of one another 4096: BOTH INTERNATIONAL & INLAND While underway, in fog, you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel __________.
Y a. not under command N b. being towed N c. on pilotage duty N d. aground 4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.
N a. three black balls in a vertical line N b. two red balls in a vertical line N c. a black cylinder Y d. a rigid replica of the International Code flag "A" 4137: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning lights and shapes for towing vessels?
N a. If a tow exceeds 200 meters in length, the towing vessel will display a black ball during daylight. N b. When towing astern, a vessel will carry her identification lights at the masthead in addition to her regular masthead light. N c. When towing astern, the towing vessel may show either a stern light or a towing light, but not both. Y d. If the towing vessel is over 50 meters in length, she must carry forward and after masthead lights. 4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
Y a. She must show sidelights and a stern light in restricted visibility. N b. She may show an all-round white light at the top of the mast. N c. She need not show a stern light if she is showing all-round lights on the mast. N d. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together. 4173: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a vessel __________.
N a. not under command N b. restricted in her ability to maneuver N c. engaged in fishing Y d. All of the above 4231: BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would be required to show __________.
N a. sidelights, stern light, and a red light over a green light on the mast Y b. sidelights, and stern light, but they may be in a combined lantern on the mast N c. separate sidelights and stern light N d. sidelights only 4242: BOTH INTERNATIONAL & INLAND All fog signals shall be sounded every two minutes with the exception of a vessel __________.
N a. underway or making way N b. under sail or under tow Y c. anchored or aground N d. not under command or restricted in her ability to maneuver 4258: BOTH INTERNATIONAL & INLAND At night, a broken down vessel being towed would show the same lights as __________.
N a. a power-driven vessel underway N b. the towing vessel Y c. a barge N d. a vessel at anchor 4455: BOTH INTERNATIONAL & INLAND Which vessel is "underway" within the meaning of the Rules?
N a. A vessel at anchor with the engine turning N b. A vessel tied to an offshore mooring buoy N c. A vessel aground with the engine turning Y d. A vessel drifting with the engine stopped 4559: BOTH INTERNATIONAL & INLAND A vessel aground at night is required to show two red lights in a vertical line as well as __________.
N a. not under command lights N b. restricted in her ability to maneuver lights Y c. anchor lights N d. sidelights and a stern light 4562: BOTH INTERNATIONAL & INLAND In a crossing situation, the vessel which has the other on her own starboard side shall __________.
Y a. if the circumstances of the case admit, avoid crossing ahead of the other N b. change course to port to keep out of the way N c. reduce her speed N d. All of the above 4605: BOTH INTERNATIONAL & INLAND When two power-driven vessels are meeting head-on and there is a risk of collision, each shall __________.
N a. stop her engines Y b. alter course to starboard N c. sound the danger signal N d. back down 4647: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 65 )
N a. fishing Y b. anchored N c. being towed N d. drifting 4670: BOTH INTERNATIONAL & INLAND What determines if a vessel is "restricted in her ability to maneuver"?
N a. Whether or not all of the vessel's control equipment is in working order N b. The vessel's draft in relation to the available depth of water Y c. Whether the nature of the vessel's work limits maneuverability required by the Rules N d. Whether or not the vessel is the give-way vessel in a meeting situation 4694: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?
N a. All fog signals for sailing vessels are to be given at intervals of not more than one minute. Y b. A vessel aground may sound a whistle signal. N c. A vessel not under command sounds the same fog signal as a vessel towed. N d. The identity signal of a pilot vessel is the only fog signal sounded by such a vessel. 4710: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?
N a. A vessel engaged in fishing N b. A vessel not under command N c. A vessel engaged in dredging Y d. A power-driven vessel 4738: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.
N a. one short blast and maintain course Y b. five short and rapid blasts N c. no signal and maneuver at will N d. two short blasts, alter to port, and pass astern 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 6500: BOTH INTERNATIONAL & INLAND A towing vessel and her tow are severely restricted in their ability to change course. When making way, the towing vessel will show ONLY __________.
N a. the masthead lights for a towing vessel N b. the lights for a vessel restricted in her ability to maneuver N c. sidelights, stern light, and towing light Y d. All of the above. 8029: INTERNATIONAL ONLY What day-shape is prescribed for a vessel constrained by her draft?
N a. A black cone, apex upward N b. A black cone, apex downward N c. Two vertical black balls Y d. A cylinder 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 8129: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?
N a. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. N b. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft. N c. A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing. Y d. 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. 8135: INTERNATIONAL ONLY What characteristic must a light used to indicate passing intentions have?
N a. It must be an all-round red light. Y b. It must be an all-round white light. N c. It must be an all-round yellow light. N d. It can be either an all-round white or yellow light.