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.
13: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. U.S. submarines N b. vessels pushing ahead Y c. law enforcement vessels N d. dredge pipelines on trestles 28: INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would 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 40: INLAND ONLY The light used to signal passing intentions is a(n) __________.
N a. all-round white light ONLY N b. all-round yellow light ONLY Y c. all-round white or yellow light N d. light of any color 273: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )
N a. wait until the vessel ahead crosses your bow N b. stop until the red lights turn green N c. proceed leaving all the lights on your starboard side Y d. pass between the two sets of vertical red lights 316: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
N a. a pilot boat N b. sailing Y c. fishing N d. anchored 384: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a __________. (DIAGRAM 78 )
N a. vessel restricted in her ability to maneuver N b. fishing vessel underway Y c. pilot vessel underway N d. vessel not under command 4076: BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT show the lights specified for a sailing vessel underway, it shall show a __________.
N a. white light from sunset to sunrise N b. combined lantern showing green to starboard and red to port and shown from sunset to sunrise N c. combined lantern showing green to starboard and red to port and shown in sufficient time to prevent collision Y d. white light shown in sufficient time to prevent collision 4088: BOTH INTERNATIONAL & INLAND The term "restricted visibility" as used in the Rules refers __________.
N a. only to fog N b. only to visibility of less than one-half of a mile N c. to visibility where you cannot see shore Y d. to any condition where visibility is restricted 4106: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel showing two cones with the apexes together?
N a. Sailing vessel Y b. Vessel trawling N c. Mineclearing N d. Dredge 4119: BOTH INTERNATIONAL & INLAND A lantern combining a vessel's navigation lights may be shown on a __________.
Y a. 15-meter sailing vessel N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel trolling N d. 25-meter pilot vessel 4144: BOTH INTERNATIONAL & INLAND At night, a vessel which is less than 7 meters in length and anchored in an area where other vessels do not normally navigate is __________.
Y a. not required to show any anchor lights N b. required to show a flare-up light N c. required to show one white light N d. required to show sidelights and a stern light 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 4174: BOTH INTERNATIONAL & INLAND A vessel sounding a fog signal of one short, one prolonged, and one short blast is indicating that the vessel is __________.
N a. fishing N b. in distress Y c. at anchor N d. not under command 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 4255: BOTH INTERNATIONAL & INLAND A stand-on vessel in a crossing situation is allowed to take action when __________.
N a. on a collision course N b. the vessels will pass within one mile Y c. it becomes apparent to her that the give-way vessel is not taking appropriate action N d. the relative speed of the vessels indicates collision in less than six minutes 4332: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. You may hold your course and speed until __________.
N a. the other vessel takes necessary action N b. the other vessel gets to within half a mile of your vessel Y c. action by the give-way vessel alone will not prevent collision N d. the other vessel gets to within a quarter mile of your vessel 4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 82 )
N a. sailing Y b. fishing N c. a pilot boat N d. anchored 4337: BOTH INTERNATIONAL & INLAND A vessel showing a yellow light over a white light at night is a vessel __________.
N a. engaged in piloting Y b. towing astern N c. engaged in fishing N d. in distress 4405: BOTH INTERNATIONAL & INLAND A vessel underway but not making way and fishing other than trawling will show which lights?
N a. A white light over a red light Y b. A red light over a white light N c. A white light over a red light, sidelights, and a stern light N d. A red light over a white light, sidelights, and a stern light 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 4532: BOTH INTERNATIONAL & INLAND The term "power-driven vessel" refers to any vessel __________.
N a. with propelling machinery onboard whether in use or not N b. making way against the current Y c. with propelling machinery in use N d. traveling at a speed greater than that of the current 4577: BOTH INTERNATIONAL & INLAND Which statement about the Navigation Rules is TRUE?
N a. The rules require vessels to comply with Traffic Separation Scheme regulations. N b. The rules use the term "safe speed." N c. The Rules permit a stand-on vessel to take action prior to being in extremis. Y d. All of the above are correct. 4650: BOTH INTERNATIONAL & INLAND Which lights would be shown at night by a vessel which is restricted in her ability to deviate from her course?
N a. Three red lights in a vertical line N b. Three white lights in a vertical line N c. Three lights in a vertical line, the highest and lowest white and the middle red Y d. Three lights in a vertical line, the highest and lowest red and the middle white 4697: BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.
N a. one prolonged and two short blasts N b. one prolonged and three short blasts N c. one short blast Y d. no fog signal 4697: BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.
N a. one prolonged and two short blasts N b. one prolonged and three short blasts N c. one short blast Y d. no fog signal 4721: BOTH INTERNATIONAL & INLAND Which vessel when anchored at night, would not be required to show anchor lights?
Y a. A vessel engaged in underwater operations N b. A vessel engaged in mine clearance N c. A vessel engaged on pilotage duty N d. A vessel engaged in survey operations 4819: BOTH INTERNATIONAL & INLAND Which breadth shown represents the breadth as defined in the Rules? (DIAGRAM 87 )
Y a. A N b. B N c. C N d. D 5000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
Y a. sound only fog signals until the other vessel is sighted N b. not sound any whistle signals until the other vessel is sighted N c. sound two blasts and change course to the left N d. sound whistle signals only if you change course 8105: INTERNATIONAL ONLY Your vessel is crossing a narrow channel. A vessel to port is within the channel and crossing your course. She is showing a black cylinder. You should __________.
N a. hold your course and speed Y b. not impede the other vessel N c. exchange passing signals N d. sound the danger signal