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.
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 78: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of a one short blast signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." N c. "I intend to leave you on my starboard side." Y d. "I intend to leave you on my port side." 91: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown would you show on the after end of an inconspicuous partially submerged vessel or object being towed over 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. No day-shape would be shown. 106: INLAND ONLY You are overtaking another power-driven vessel and sound a whistle signal indicating that you intend to pass the vessel along her starboard side. If the other vessel answers your signal with five short and rapid blasts, you should __________.
N a. pass the other vessel along her starboard side N b. sound five short and rapid blasts and pass along her starboard side Y c. not overtake the other vessel until both vessels exchange the same passing signal N d. not overtake the other vessel until she sounds another five short and rapid blast signal 205: INTERNATIONAL ONLY Which whistle signal may be sounded by one of two vessels in sight of each other?
N a. Four short blasts N b. One prolonged blast Y c. One short blast N d. One short, one prolonged, and one short blast 228: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
N a. law enforcement Y b. patrolling a regatta N c. hauling in pairs N d. river bank protection 300: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )
N a. sailing vessel Y b. vessel towing astern N c. vessel engaged in fishing N d. vessel dredging 338: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" should sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts Y b. one short blast N c. two prolonged blasts followed by one short blast N d. two short blasts 363: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
N a. burdened vessel N b. give-way vessel N c. overtaking vessel Y d. None of the above 728: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
N a. river bank protection N b. conducting submarine operations Y c. firefighting N d. law enforcement 4056: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in restricted visibility. She should sound __________.
N a. three short blasts N b. one prolonged blast Y c. one prolonged and two short blasts N d. two prolonged blasts 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 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 4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.
N a. three black balls in a vertical line N b. two red balls in a vertical line N c. a black cylinder Y d. a rigid replica of the International Code flag "A" 4149: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 84 )
Y a. not under command N b. showing improper lights N c. towing N d. dredging 4161: BOTH INTERNATIONAL & INLAND A continuous sounding of a fog-signal apparatus indicates __________.
Y a. the vessel is in distress N b. the vessel has completed loading dangerous cargo N c. it is safe to pass N d. the vessel is anchored 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 4211: BOTH INTERNATIONAL & INLAND In order for a stand-on vessel to take action in a situation, she must determine that the other vessel __________.
N a. is restricted in her ability to maneuver N b. has sounded the danger signal Y c. is not taking appropriate action N d. has not changed course since risk of collision was determined 4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.
N a. merchant vessel reporting systems Y b. traffic separation schemes N c. collision avoidance fairways N d. restricted maneuverability channels 4321: BOTH INTERNATIONAL & INLAND While underway in a fog, you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could mean all of the following EXCEPT a vessel __________.
N a. not under command N b. towing astern N c. fishing with trawls Y d. being towed 4329: BOTH INTERNATIONAL & INLAND Your vessel is 25 meters long and anchored in restricted visibility. You are required to sound the proper fog signal at intervals of not more than __________.
N a. 30 seconds Y b. one minute N c. two minutes N d. three minutes 4372: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.
N a. one short blast and maintain course N b. two short blasts, alter to port, and pass astern N c. no signal and maneuver at will Y d. the danger signal 4424: BOTH INTERNATIONAL & INLAND The Rules state that risk of collision shall be deemed to exist __________.
N a. whenever two vessels approach from opposite directions Y b. if the bearing of an approaching vessel does not appreciably change N c. whenever a vessel crosses ahead of the intended track of another vessel N d. if one vessel approaches another so as to be overtaking 4503: BOTH INTERNATIONAL & INLAND Which vessel must show a masthead light abaft of and higher than her identifying lights?
N a. A 55-meter vessel fishing Y b. A 55-meter vessel trawling N c. A 100-meter vessel not under command N d. A 20-meter vessel engaged on pilotage duty 4588: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left N b. sound whistle signals only if you change course Y c. sound only fog signals until the other vessel is sighted N d. not sound any whistle signals until the other vessel is sighted 4661: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?
N a. By day, she shall carry a black cylinder shape. N b. By day, she shall carry two black balls in a vertical line. N c. By night, she would show the same lights as a vessel not under command. Y d. By day, she would show the same shapes as a vessel restricted in her ability to maneuver. 4681: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. are not the same color as either side light N b. have a lesser range of visibility than the prescribed lights Y c. do not impair the visibility or distinctive character of the prescribed lights N d. All of the above 4830: 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 N b. does not have a proper look-out N c. by taking action contrary to the Rules has created a special circumstance situation Y d. through some exceptional circumstance is unable to maneuver as required by the Rules 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 8070: INTERNATIONAL ONLY In addition to her running lights, an underway vessel constrained by her draft may carry in a vertical line __________.
N a. a red light, a white light, and a red light N b. two red lights N c. two white lights Y d. three red lights