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.
65: INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. Which whistle signal should be sounded in order to state this intention?
N a. 1 short blast Y b. 2 short blasts N c. 2 prolonged and 1 short blasts N d. 2 prolonged and 2 short blasts 83: INLAND ONLY If your tug is pushing a barge ahead at night and it is not a composite unit, which light(s) should show aft on your vessel?
N a. A white stern light N b. Two red lights Y c. Two towing lights N d. A towing light over the stern light 100: INLAND ONLY Only law enforcement vessels are permitted to show __________.
N a. two red lights in a vertical line N b. a flashing yellow light N c. an alternately flashing red and yellow light Y d. a flashing blue light 108: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your first whistle signal should be __________.
N a. two prolonged blasts followed by one short blast N b. two prolonged blasts followed by two short blasts N c. one short blast Y d. two short blasts 142: INLAND ONLY The special light for a vessel engaged in public safety activities must __________.
N a. be on top of the mast or highest structure of the vessel Y b. not interfere with the visibility of the navigation lights N c. be as far forward as possible N d. not be visible more than 22 1/2 degrees abaft the beam 155: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a(n) __________. (DIAGRAM 47 )
Y a. sailing vessel N b. air cushion vessel operating in the non-displacement mode N c. submarine operating on the surface N d. vessel pushing a barge ahead 191: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. bow of a barge being pushed ahead N b. stern of a barge being towed astern N c. masthead of a tug towing astern Y d. stern of a tug pushing ahead 195: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a vessel __________. (DIAGRAM 78 )
N a. restricted in her ability to maneuver N b. engaged in fishing and making way Y c. on pilotage duty and underway N d. not under command 214: INTERNATIONAL ONLY At night, you sight the lights shown. What do the lights indicate? (DIAGRAM 55 )
N a. A vessel fishing at anchor Y b. A tug with a tow alongside N c. A tug not under command N d. A pipeline 276: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )
Y a. pass between the two sets of vertical red lights N b. wait until the vessel ahead crosses your bow N c. stop until the red lights turn green N d. proceed leaving all the lights on your starboard side 282: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
N a. vessel not under command Y b. dredge pipeline N c. vessel aground N d. vessel engaged in fishing 328: BOTH INTERNATIONAL & INLAND Diagram "D" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. green sidelight N c. stern light Y d. None of the above 347: 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. Vessel "B" should __________. (DIAGRAM 42 )
N a. sound the danger signal and slow to moderate speed N b. alter course to the right or slowdown N c. sound one short blast and maintain course and speed Y d. None of the above 4094: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" which is towing on open waters when vessel "B", a sailing vessel, is sighted off your port bow as shown. Which vessel is the stand-on? (DIAGRAM 20 )
N a. Vessel "A" is the stand-on vessel because it is towing. N b. Vessel "A" is the stand-on vessel because it is to starboard of vessel "B". Y c. Vessel "B" is the stand-on vessel because it is sailing. N d. Vessel "B" is the stand-on vessel because it is to port of vessel "A". 4099: BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.
N a. two balls in a vertical line Y b. two diamonds in a vertical line N c. a single black ball N d. no shape is shown during the day 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. 4143: BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?
N a. When a towing light is shown, no stern light is necessary. N b. When a stern light is shown, no towing light is necessary. N c. The towing light is shown below the stern light. Y d. The towing light is shown above the stern light. 4232: BOTH INTERNATIONAL & INLAND The use of the signal consisting of five or more short blasts on the ship's whistle __________.
N a. replaces directional signals N b. makes the other vessel the give-way vessel Y c. indicates doubt as to the other vessel's action N d. makes it necessary to slow or stop 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 4285: BOTH INTERNATIONAL & INLAND While underway in fog you hear another vessel sounding two prolonged blasts every two minutes. This signal indicates a vessel __________.
N a. making way through the water N b. towing Y c. drifting N d. anchored 4318: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
N a. Flames on a vessel Y b. Vertical motion of a white lantern at night N c. Code flags "November" and "Charlie" N d. Dye marker on the water 4426: BOTH INTERNATIONAL & INLAND A power-driven vessel is underway in fog but stopped and making no way through the water. What is the required fog signal?
N a. One prolonged blast at not more than one-minute intervals N b. Two prolonged blasts at not more than one-minute intervals N c. One prolonged blast at not more than two-minute intervals Y d. Two prolonged blasts at not more than two-minute intervals 4434: BOTH INTERNATIONAL & INLAND Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel?
N a. The power-driven vessel must keep out of the way of the sailing vessel. N b. A "special circumstance" situation exists. Y c. The sailing vessel must keep out of the way of the power- driven vessel. N d. The vessel which has the other vessel to the right must keep out of the way. 4511: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used to accompany whistle signals?
N a. It is mandatory to use such a light. N b. The light shall have the same characteristics as a masthead light. Y c. It is used to supplement short blasts of the whistle. N d. All of the above 4539: BOTH INTERNATIONAL & INLAND All of the following are distress signals under the Rules EXCEPT __________.
Y a. a green star signal N b. orange-colored smoke N c. red flares N d. the repeated raising and lowering of outstretched arms 4654: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing shall keep out of the way of a vessel __________.
N a. under sail Y b. restricted in her ability to maneuver N c. crossing a channel N d. All of the above 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 4862: BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?
Y a. Your speed must be reduced to bare steerageway. N b. A look-out is not required if the radar is on. N c. Fog signals are only required when a vessel is detected by radar. N d. The radar should always be kept on a short-range scale. 8017: INTERNATIONAL ONLY In a narrow channel, a vessel trying to overtake another on the other vessel's port side, would sound a whistle signal of __________.
N a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast Y d. two prolonged blasts followed by two short blasts 8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.
N a. two towing lights in a vertical line N b. a towing light above the stern light N c. two all-round red lights at the masthead Y d. two masthead lights in a vertical line