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.
55: INLAND ONLY The lights shown are those of a __________. (DIAGRAM 75 )
N a. pipeline Y b. vessel pushing ahead N c. vessel being towed astern N d. vessel underway and dredging 57: INLAND ONLY While underway during the day you sight a small motorboat showing a flashing blue light. The blue light indicates a __________.
Y a. law enforcement boat N b. boat involved in a race N c. Coast Guard Auxiliary Vessel on regatta patrol N d. rescue boat 59: INLAND ONLY When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.
Y a. "I intend to leave you on my port side" N b. "I intend to hold course and speed" N c. "I intend to change course to starboard" N d. "I request a departure from the rules" 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 105: 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. 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 105: 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. 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 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. 174: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They could indicate a vessel __________. (DIAGRAM 71 )
N a. under sail and power N b. dredging while underway N c. fishing with nets extending more than 150 meters Y d. power-driven and approaching head-on 193: BOTH INTERNATIONAL & INLAND You are on vessel "B" and crossing a narrow channel. Vessel "A", who can only navigate within the channel, is on your port bow and crossing as shown. Which action should you take? (DIAGRAM 40 )
N a. Maintain course and speed as the ship is on your port bow. Y b. Give way to the other vessel. N c. Increase speed and cross his bow. N d. Sound the danger signal. 208: INTERNATIONAL ONLY A single vessel being towed alongside shall show __________.
N a. one all-round white light Y b. sidelights and a stern light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a stern light 215: INTERNATIONAL ONLY At night you sight the lights shown. What do the lights indicate? (DIAGRAM 66 )
N a. Two vessels pair trawling Y b. A tug with a tow alongside N c. A ship being assisted by a tug N d. A vessel engaged in fishing 269: INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown. Vessel "A" is downbound with a following current. Vessel "A" shall __________. (DIAGRAM 37 )
N a. propose the manner of passage N b. have the right of way N c. initiate the maneuvering signals Y d. All of the above 293: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
Y a. tug and a barge being towed astern N b. sailing vessel N c. a vessel not under command N d. a submarine on the surface 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 395: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. law enforcement vessel Y b. sailing vessel N c. vessel engaged in trawling N d. power-driven vessel 4146: BOTH INTERNATIONAL & INLAND When taking action to avoid collision, you should __________.
Y a. make sure the action is taken in enough time N b. not make any large course changes N c. not make any large speed changes N d. All of the above 4193: BOTH INTERNATIONAL & INLAND A 20-meter sailing vessel underway must exhibit a __________.
Y a. stern light N b. combined lantern N c. red light over a green light at the masthead N d. All of the above 4210: BOTH INTERNATIONAL & INLAND A vessel being towed astern shall show at night __________.
N a. the lights required for a power-driven vessel underway N b. only the required masthead lights N c. a stern light only Y d. sidelights and a stern light 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 4400: BOTH INTERNATIONAL & INLAND When action to avoid a close quarters situation is taken, a course change alone may be the most effective action provided that __________.
N a. it is done in a succession of small course changes N b. it is NOT done too early Y c. it is a large course change N d. the course change is to starboard 4401: BOTH INTERNATIONAL & INLAND You are underway in heavy fog. You hear the fog signal of a vessel which is somewhere ahead of your vessel. You must __________.
N a. slow to moderate speed and navigate with caution N b. maintain speed and sound the danger signal N c. stop engines and navigate with caution Y d. slow to bare steerageway and navigate with caution 4417: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing a vessel displaying both sidelights ONLY dead ahead N b. Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights and masthead light(s) of a vessel dead ahead 4477: BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.
N a. a close-quarters situation N b. an overtaking situation Y c. immediate danger N d. Any of the above 4478: BOTH INTERNATIONAL & INLAND Risk of collision exists when an approaching vessel has a(n) __________.
Y a. generally steady bearing and decreasing range N b. generally steady range and increasing bearing N c. increasing range and bearing N d. decreasing bearing only 4526: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?
N a. Risk of collision never exists if the compass bearing of the other vessel is changing. Y b. Proper use shall be made of radar equipment to determine risk of collision. N c. Risk of collision must be determined before any action can be taken by a vessel. N d. Risk of collision exists if the vessels will pass within half a mile of each other. 4543: BOTH INTERNATIONAL & INLAND Which situation would be a "special circumstance" under the Rules?
N a. Vessel at anchor Y b. More than two vessels meeting N c. Speed in fog N d. Two vessels crossing 4595: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, would NOT be required to show anchor lights?
N a. A power-driven vessel N b. A vessel on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4597: BOTH INTERNATIONAL & INLAND A vessel not under command shall display __________.
Y a. two red lights at night and two black balls during daylight N b. two red lights at night and three black balls during daylight N c. three red lights at night and two black balls during daylight N d. three red lights at night and three black balls during daylight 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 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.