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.
86: INLAND ONLY What is the whistle signal used to indicate a power-driven vessel leaving a dock?
N a. One short blast N b. Three short blasts Y c. One prolonged blast N d. Three prolonged blasts 102: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown must you show when at anchor? (DIAGRAM 16 )
Y a. A N b. B N c. C N d. D 136: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. a dredge pipeline on a trestle N b. the heads of tows being pushed ahead by tugboats N c. purse seiners Y d. a seaplane on the water 162: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading ___________ . (DIAGRAM 51 )
N a. SSW Y b. NW N c. NE N d. SE 177: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )
N a. dredge working at anchor N b. dredge restricted in its ability to maneuver N c. 55-meter tug towing astern, length of tow exceeds 200 meters Y d. 65-meter tug towing astern, length of tow 150 meters 194: BOTH INTERNATIONAL & INLAND You are on vessel "A" and proceeding down a narrow channel as shown. You can only navigate within the channel and vessel "B" is crossing so as to involve risk of collision. Which action would be most prudent? (DIAGRAM 40 )
N a. Back down and allow vessel "B" to cross ahead. N b. Alter course to starboard to give him more room. N c. Maintain course and speed. Y d. Sound the danger signal and take evasive action. 244: BOTH INTERNATIONAL & INLAND You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", a large tanker which can safely navigate only within the channel, sounds five short and rapid blasts. You should __________. (DIAGRAM 32 )
N a. sound one prolonged followed by two short blasts N b. not answer the whistle signal from vessel "B" N c. maintain course and speed Y d. not impede the passage of vessel "B" 259: BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.
Y a. at all times N b. only if manned N c. only if towed astern N d. Need not be lighted 374: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile. N b. The vessels should exchange two blast whistle signals and pass port to port. Y c. If a passing agreement is reached by radiotelephone whistle signals are optional. N d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course. 4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )
N a. towing N b. conducting underwater operations N c. drifting Y d. aground 4030: BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a "vessel not under command" as a vessel which __________.
N a. from the nature of her work is unable to keep out of the way of another vessel Y b. through some exceptional circumstance is unable to maneuver as required by the rules N c. by taking action contrary to the rules has created a special circumstance situation N d. is moored, aground or anchored in a fairway 4035: BOTH INTERNATIONAL & INLAND When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT __________.
N a. one prolonged blast N b. two prolonged blasts N c. one prolonged and two short blasts Y d. ringing of a bell for five seconds 4074: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel of 75 meters in length, at anchor?
N a. She must show an all-round white light forward. N b. She must show a second all-round white light aft. N c. She may use her working lights to illuminate her decks. Y d. All of the above 4095: BOTH INTERNATIONAL & INLAND When underway in a channel, you should keep to the __________.
N a. middle of the channel Y b. starboard side of the channel N c. port side of the channel N d. side of the channel that has the widest turns 4130: BOTH INTERNATIONAL & INLAND The duration of each blast of the whistle signals used in meeting and crossing situations is __________.
Y a. about 1 second N b. 2 or 4 seconds N c. 4 to 6 seconds N d. 8 to 10 seconds 4130: BOTH INTERNATIONAL & INLAND The duration of each blast of the whistle signals used in meeting and crossing situations is __________.
Y a. about 1 second N b. 2 or 4 seconds N c. 4 to 6 seconds N d. 8 to 10 seconds 4179: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed to show the all-round red over green lights on the mast if __________.
N a. she is showing sidelights N b. her sidelights are combined and shown on the fore and aft centerline of the vessel N c. she is showing a stern light Y d. her sidelights and stern light are combined in one lantern and shown on the mast 4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.
N a. red light over a green light at the masthead N b. white masthead light N c. combined lantern Y d. stern light 4241: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The first vessel of the tow should sound __________.
Y a. no fog signal N b. one short blast N c. one prolonged and three short blasts N d. one prolonged, one short, and one prolonged blast 4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel displaying the lights shown is __________. (DIAGRAM 62 )
N a. engaged in fishing N b. mine sweeping N c. a pilot boat Y d. under sail 4278: BOTH INTERNATIONAL & INLAND A light signal consisting of three flashes means __________.
N a. "I am in doubt as to your actions" N b. "My engines are full speed astern" N c. "I desire to overtake you" Y d. "I am operating astern propulsion" 4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
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 4362: BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a __________.
N a. power-driven vessel underway Y b. vessel not under command N c. vessel sailing N d. vessel engaged on pilotage duty 4371: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.
N a. one sidelight of a vessel ahead of you N b. one sidelight and a masthead light of a vessel ahead of you N c. one sidelight, a masthead light, and a range light of a vessel ahead of you Y d. both sidelights of a vessel dead ahead of you 4658: BOTH INTERNATIONAL & INLAND A 60-meter vessel which is trawling is required to show how many white masthead lights at night?
Y a. 1 N b. 2 N c. 3 N d. 4 4852: BOTH INTERNATIONAL & INLAND What is TRUE when operating in fog and other vessels are detected by radar?
N a. You should make an ample change to port for a vessel crossing on the starboard bow. Y b. You should maneuver in ample time if a close-quarters situation is developing. N c. You should determine the course and speed of all radar contacts at six minute intervals. N d. Long-range scanning will provide early warning of ALL other vessels within the radar's range. 4865: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to starboard is within the channel and crossing your course. You should __________.
N a. hold your course and speed N b. sound the danger signal Y c. keep out of the way of the cargo vessel N d. do not cross the channel 8006: INTERNATIONAL ONLY The International Rules of the Road apply __________.
N a. to all waters which are not inland waters N b. only to waters outside the territorial waters of the United States N c. only to waters where foreign vessels travel Y d. upon the high seas and connecting waters navigable by seagoing vessels 8011: INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, __________.
N a. sidelights and a stern light N b. the lights required for a vessel more than 7 meters in length N c. sidelights only Y d. one all-round white light 8089: BOTH INTERNATIONAL AND INLAND A towing light __________.
N a. flashes at regular intervals of 50-70 flashes per minute Y b. is yellow in color N c. shows an unbroken light over an arc of the horizon of not less than 180° nor more than 225° N d. All of the above