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.
46: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.
Y a. not be required to be lighted N b. show a white light at each corner N c. show a red light at the bow and stern N d. show a flashing yellow light at each corner 46: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.
Y a. not be required to be lighted N b. show a white light at each corner N c. show a red light at the bow and stern N d. show a flashing yellow light at each corner 56: INLAND ONLY Your vessel must remain in a narrow channel for safe operation. Another vessel is crossing the channel from your starboard. You do not think she will pass safely. You MUST __________.
N a. stop your vessel, since the other vessel has the right of way N b. sound one short blast of the whistle, and turn to starboard Y c. sound the danger signal N d. stop your engines, and you may sound the danger signal 73: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
N a. sound one short blast N b. sound four short blasts N c. overtake her without sounding whistle signals Y d. attempt to contact her on the radiotelephone to arrange for the passage 110: INLAND ONLY Which statement is TRUE concerning the fog signal of a sailing vessel 25 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel is not required to sound a fog signal. Y b. The vessel shall ring a bell for 5 seconds every minute. 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. 117: INLAND ONLY Which is a characteristic of a "special flashing light"?
N a. It is required for all vessels being pushed ahead as part of a composite unit. Y b. It must show through an arc of not less than 180° nor more than 225°. N c. It must be of the same character and construction as the masthead light. N d. All of the above 146: INLAND ONLY What characteristic must a light have if used to signal passing intentions?
N a. It must be an all-round white light. N b. It must be an alternating blue and white light. Y c. It must be either an all-round white or an all-round yellow light. N d. It must be an alternating red and yellow light. 256: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. If you are on vessel "A", in addition to the sidelight, which other light(s) will you see on vessel "B"? (DIAGRAM 41 )
N a. special flashing yellow light Y b. two white masthead lights in a vertical line N c. two yellow towing lights N d. None of the above 272: BOTH INTERNATIONAL & INLAND Two vessels are meeting as shown in a narrow channel. Vessel "A" is a sailing vessel. Vessel "B" is a power-driven vessel which can safely navigate only within the channel. Vessel "B" sounds the danger signal. Vessel "A" shall __________. (DIAGRAM 37 )
N a. maintain course and speed Y b. not impede the passage of vessel "B" N c. sound one prolonged followed by two short blasts N d. have the right of way 294: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
N a. a submarine on the surface N b. sailing vessel N c. a vessel not under command Y d. None of the above 297: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
Y a. tug and a barge being towed astern N b. vessel constrained by her draft N c. vessel in the nondisplacement mode N d. vessel not under command 299: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )
Y a. vessel towing astern N b. vessel restricted in her ability to maneuver N c. vessel not under command N d. vessel aground 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 349: 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 sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. one short blast N c. two short blasts Y d. None of the above 350: 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 sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. one prolonged blast N c. two short blasts Y d. None of the above 394: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. law enforcement vessel N b. vessel on pilotage duty Y c. sailing vessel N d. power-driven vessel 4114: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?
N a. Use of such a light is required. N b. The light shall have the same characteristics as a masthead light. Y c. It is only used to supplement short blasts of the whistle. N d. All of the above 4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
N a. not under command N b. in special circumstances Y c. restricted in her ability to maneuver N d. constrained by her draft 4166: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.
N a. three masthead lights in a vertical line instead of either the forward or after masthead light Y b. two masthead lights in a vertical line instead of either the forward or after masthead lights N c. two towing lights in a vertical line at the stern N d. a small white light aft of the funnel 4186: BOTH INTERNATIONAL & INLAND A vessel fishing should display which of the day signals shown. (DIAGRAM 1 )
N a. A Y b. B N c. C N d. D 4262: BOTH INTERNATIONAL & INLAND A vessel not under command making way at night would show __________.
N a. two all-round red lights in a vertical line N b. anchor lights and sidelights N c. two all-round white lights in a vertical line, sidelights and a stern light Y d. two all-round red lights in a vertical line, sidelights, and a stern light 4382: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound four short blasts in succession. What does this signal indicate?
Y a. A pilot vessel N b. A vessel being towed N c. A vessel fishing N d. A sailboat 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 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 4674: BOTH INTERNATIONAL & INLAND You are on watch in fog. Which vessel is "in sight"?
Y a. A vessel that you can see from the bridge N b. A radar target of which you have determined the course and speed N c. A vessel from which you can hear the fog signal N d. All of the above 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. 4820: BOTH INTERNATIONAL & INLAND You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel. You should __________.
N a. cross the channel as you are the stand-on vessel N b. cross only if the vessel in the channel is approaching on your port side Y c. not cross the channel if you might impede the other vessel N d. sound the danger signal 4835: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. a barge permanently affixed to the shore Y b. nondisplacement craft N c. a drilling unit attached to the Outer Continental Shelf N d. All of the above 8012: INTERNATIONAL ONLY In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel __________.
N a. meeting another head-on N b. crossing the course of another Y c. overtaking another N d. Any of the above 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