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.
5: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
Y a. attempt to contact her on the radiotelephone to arrange for the passage N b. proceed to overtake her without sounding whistle signals N c. sound five short blasts N d. All of the above 42: INLAND ONLY You are underway in a narrow channel, and are being overtaken by another power-driven vessel. The overtaking vessel sounds the signal indicating his intention to pass you on your starboard side. You signal your agreement by sounding __________.
Y a. one short blast N b. two prolonged blasts N c. two prolonged followed by two short blasts N d. one prolonged, one short, one prolonged, and one short blast in that order 114: INLAND ONLY At night, what lights are required on barges moored in a group formation more than two barges wide?
N a. All-round yellow lights placed at the corners of each barge in the group N b. Two yellow lights in a vertical line at the corner extremities of the group Y c. Two unobstructed all-round white lights N d. Two unobstructed all-round red lights 171: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )
N a. vessel being overtaken N b. vessel meeting head-on N c. vessel crossing from your starboard Y d. vessel crossing from your port 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 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 265: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing. The vessels will pass within 1/2 mile of each other. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. N b. Sound the danger signal and slow to moderate speed. Y c. Sound one short blast, turn to starboard. N d. Sound one short blast and hold course and speed. 311: INLAND ONLY Identify the operation indicated by the lights exhibited as shown. (DIAGRAM 85 )
N a. Aircraft carrier engaged in the launching and recovery of aircraft N b. A submarine engaged in underway replenishment N c. A vessel aground assisted by tugs Y d. None of the above 4033: BOTH INTERNATIONAL & INLAND The duration of a prolonged blast of the whistle is __________.
N a. 2 to 4 seconds Y b. 4 to 6 seconds N c. 6 to 8 seconds N d. 8 to 10 seconds 4034: BOTH INTERNATIONAL & INLAND A vessel "restricted in her ability to maneuver" is one which __________.
Y a. from the nature of her work is unable to maneuver as required by the rules N b. through some exceptional circumstance is unable to maneuver as required by the rules N c. due to adverse weather conditions is unable to maneuver as required by the rules N d. has lost steering and is unable to maneuver 4066: BOTH INTERNATIONAL & INLAND The wind is ESE, and a sailing vessel is steering NW. Which fog signal should she sound?
N a. One blast at one-minute intervals N b. One blast at two-minute intervals N c. Two blasts at one-minute intervals Y d. One prolonged and two short blasts at two-minute intervals 4118: BOTH INTERNATIONAL & INLAND When should the fog signal of a manned vessel under tow be sounded?
Y a. After the towing vessel's fog signal N b. Before the towing vessel's fog signal N c. Approximately one minute after the towing vessel's fog signal N d. If the towing vessel is sounding a fog signal, the manned vessel being towed is not required to sound any fog signal. 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 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 4216: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
N a. initiate an exchange of passing signals Y b. not cross the channel if you might impede the other vessel N c. sound the danger signal N d. hold your course and speed 4218: BOTH INTERNATIONAL & INLAND A vessel displaying the day signal shown is __________. (DIAGRAM 7 )
Y a. not under command N b. a dredge underway and dredging N c. fishing N d. a hydrographic survey vessel underway 4286: BOTH INTERNATIONAL & INLAND A vessel which is underway at night and displaying the lights shown is __________. (DIAGRAM 69 )
Y a. engaged in trawling N b. minesweeping N c. under sail N d. a pilot boat 4287: BOTH INTERNATIONAL & INLAND Fog bell signals for vessels at anchor or aground shall be sounded at intervals of not more than __________.
N a. 15 minutes N b. 5 minutes N c. 2 minutes Y d. 1 minutes 4379: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?
N a. The stand-on vessel must keep out of the way of the other vessel when risk of collision exists. N b. Risk of collision always exists when two vessels pass within one mile of each other. N c. Risk of collision always exists when the compass bearing of an approaching vessel changes appreciably. Y d. Risk of collision may exist when the compass bearing of an approaching vessel is changing appreciably. 4434: BOTH INTERNATIONAL & INLAND Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel?
N a. The power-driven vessel must keep out of the way of the sailing vessel. N b. A "special circumstance" situation exists. Y c. The sailing vessel must keep out of the way of the power- driven vessel. N d. The vessel which has the other vessel to the right must keep out of the way. 4506: BOTH INTERNATIONAL & INLAND A lantern combining the sidelights and stern light MAY be shown on a __________.
N a. sailing vessel of 25 meters in length N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel engaged in trolling Y d. 6-meter vessel under oars 4567: BOTH INTERNATIONAL & INLAND As shown, vessel "A", which is pushing ahead, and vessel "B" are crossing. Which is the stand-on vessel? (DIAGRAM 5 )
N a. Vessel "A" is the stand-on vessel because she is to port of vessel "B". N b. Vessel "A" is the stand-on vessel because she is pushing ahead. Y c. Vessel "B" is the stand-on vessel because she is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel in this situation. 4629: BOTH INTERNATIONAL & INLAND For a stand-on vessel to take action to avoid collision she shall, if possible, NOT __________.
N a. decrease speed N b. increase speed Y c. turn to port for a vessel on her port side N d. turn to starboard for a vessel on her port side 4672: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?
N a. Only the stand-on vessel can sound the danger signal. N b. Radio transmissions may be used in place of the danger signal. Y c. A vessel in doubt as to the other vessel's intentions must sound the danger signal. N d. The danger signal consists of 5 or more prolonged blasts of the whistle. 4709: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. aground Y b. underway N c. at anchor N d. transferring dangerous cargo 4722: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is not required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged in survey operations N c. A vessel engaged on pilotage duty Y d. A vessel engaged in fishing 4723: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown. This could be a __________. (DIAGRAM 45 )
N a. vessel engaged in fishing at anchor N b. pilot vessel on pilotage duty N c. vessel engaged in launching or recovering aircraft Y d. power-driven vessel underway 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. 8060: INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. According to Rule 9, you __________.
Y a. may sound the danger signal N b. must sound one prolonged and two short blasts N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down 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