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.
4: INLAND ONLY A vessel proceeding downstream in a narrow channel on the Western Rivers sights another vessel moving upstream. Which vessel has the right of way?
N a. The vessel moving upstream against the current Y b. The vessel moving downstream with a following current N c. The vessel located more towards the channel centerline N d. The vessel sounding the first whistle signal 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 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" 172: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. sailing vessel N b. vessel engage in trawling Y c. power-driven vessel N d. mineclearance vessel 280: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )
N a. visible for at least one mile N b. flashing at intervals of 120 flashes per minute N c. more than 50 meters apart Y d. visible at night and during periods of restricted visibility 287: BOTH INTERNATIONAL & INLAND The lead vessel shown is a __________. (DIAGRAM 24 )
N a. dredge N b. sailing vessel N c. power-driven vessel pushing ahead 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 355: 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. This signal means __________. (DIAGRAM 42 )
Y a. "I am altering my course to starboard" N b. "I intend to leave you on my port side" N c. "I am altering my course to port" N d. None of the above 3683: BOTH INTERNATIONAL & INLAND The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that __________.
N a. risk of collision exists N b. the other vessel will cross ahead of her N c. the other vessel is not taking appropriate action Y d. collision cannot be avoided by the give-way vessel's maneuver alone 4091: BOTH INTERNATIONAL & INLAND An authorized light to assist in the identification of submarines operating on the surface is a(n) __________.
N a. blue rotating light Y b. intermittent flashing amber/yellow light N c. flashing white light N d. flashing sidelight 4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when __________.
N a. she can be observed by radar Y b. she can be observed visually from the other vessel N c. she can be plotted on radar well enough to determine her heading N d. her fog signal can be heard 4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.
N a. maintain course and speed Y b. keep clear, passing at a safe distance N c. sound one blast and turn to starboard N d. stop her engines 4108: BOTH INTERNATIONAL & INLAND At specified intervals, a vessel towing in fog shall sound __________.
N a. one prolonged blast N b. two prolonged blasts Y c. one prolonged and two short blasts in succession N d. one prolonged and three short blasts in succession 4112: BOTH INTERNATIONAL & INLAND A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________.
N a. during the day, three balls in a vertical line N b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond Y c. when making way at night, two all-round red lights, sidelights, and a stern light N d. when making way at night, masthead lights, sidelights, and a stern light 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 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 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4293: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel not under command N b. A sailing vessel underway N c. A vessel restricted in its ability to maneuver, at anchor Y d. All of the above 4358: BOTH INTERNATIONAL & INLAND Which vessel should not impede the navigation of a power-driven vessel?
N a. A vessel not under command N b. A vessel engaged in fishing N c. A sailing vessel Y d. A seaplane 4504: BOTH INTERNATIONAL & INLAND While underway in a narrow channel, a vessel should stay __________.
N a. in the middle of the channel Y b. to the starboard side of the channel N c. to the port side of the channel N d. to the side of the channel that has the widest bends 4575: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she can see which light(s) of a vessel ahead?
Y a. Only the stern light of the vessel N b. One sidelight and a masthead light of the vessel N c. Only a sidelight of the vessel N d. The masthead lights of the vessel 4652: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 18 )
N a. towing astern with a tow greater than 200 meters in length N b. not under command Y c. dredging N d. carrying dangerous cargo 4665: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
Y a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only N d. A bell and a whistle 4671: BOTH INTERNATIONAL & INLAND Which statement is true concerning the light used to accompany whistle signals?
Y a. It is only used to supplement short blasts of the whistle. N b. It is mandatory to use such a light. N c. The light shall have the same characteristics as a masthead light. N d. All of the above 4683: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
N a. 135.0° N b. 112.5° Y c. 67.5° N d. 22.5° 4690: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?
N a. A vessel engaged in fishing, at anchor N b. A vessel restricted in its ability to maneuver, at anchor Y c. A sailing vessel, at anchor 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. 4713: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
Y a. Whistle and bell only N b. Whistle only N c. Bell only N d. Whistle, bell, and gong 4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
N a. The vessel making the most speed is the give-way vessel. Y b. A sailing vessel overtaking another is the give-way vessel. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 8013: INTERNATIONAL ONLY When two vessels are in sight of one another, all of the following signals may be given EXCEPT __________.
N a. a light signal of at least five short and rapid flashes Y b. four short whistle blasts N c. one prolonged, one short, one prolonged and one short whistle blasts N d. two short whistle blasts