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.
148: INLAND ONLY In a narrow channel, you are underway on vessel "A" and desire to overtake vessel "B". After you sound two short blasts on your whistle, vessel "B" sounds five short and rapid blasts on the whistle. You should __________.
N a. pass with caution on the port side of vessel "B" N b. wait for the other vessel to initiate a signal Y c. initiate another signal after the situation has stabilized N d. immediately answer with the danger signal, and then sound one short blast 153: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )
N a. fishing vessel engaged in fishing N b. trawler dragging nets Y c. sailing vessel N d. dredge at work 276: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )
Y a. pass between the two sets of vertical red lights N b. wait until the vessel ahead crosses your bow N c. stop until the red lights turn green N d. proceed leaving all the lights on your starboard side 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 331: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. green sidelight N c. masthead light Y d. None of the above 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 4050: BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a __________.
N a. black diamond Y b. black cone N c. black ball N d. basket 4050: BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a __________.
N a. black diamond Y b. black cone N c. black ball N d. basket 4063: BOTH INTERNATIONAL & INLAND There are two classes of vessels which, to the extent necessary to carry out their work, do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel __________.
N a. engaged in fishing in a traffic lane Y b. servicing a submarine cable N c. towing another N d. engaged on pilotage duty 4143: BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?
N a. When a towing light is shown, no stern light is necessary. N b. When a stern light is shown, no towing light is necessary. N c. The towing light is shown below the stern light. Y d. The towing light is shown above the stern light. 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 4205: BOTH INTERNATIONAL & INLAND A towing vessel is towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 250 meters. The towing vessel is 45 meters in length. How many white masthead lights should be displayed on the tugboat at night?
N a. 1 N b. 2 Y c. 3 N d. 4 4263: BOTH INTERNATIONAL & INLAND In a dense fog, you hear a whistle signal of one prolonged blast followed by three short blasts. This signal is sounded by a __________.
Y a. manned vessel being towed N b. fishing vessel underway trawling N c. pilot vessel underway making a special signal N d. vessel not under command 4347: BOTH INTERNATIONAL & INLAND To determine if risk of collision exists, a vessel which is fitted with radar must use __________.
N a. radar scanning N b. radar plotting N c. compass bearings Y d. All of the above 4355: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in an 18-meter tug when you sight a loaded tankship off your port bow coming up the channel. Which statement is correct?
N a. Neither vessel is the stand-on vessel because the tankship is crossing. Y b. You cannot impede the safe passage of the tankship. N c. The tankship is the stand-on vessel because it is in the channel. N d. The tankship is the stand-on vessel because it is the larger of the two vessels. 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 4367: BOTH INTERNATIONAL & INLAND What would NOT be a distress signal?
N a. "MAYDAY" sent by radiotelephone N b. Continuous sounding of fog horn Y c. Green star shells fired from a launcher N d. Square flag and ball in a vertical line 4385: BOTH INTERNATIONAL & INLAND To be considered "engaged in fishing" according to the Rules of the Road, a vessel must be __________.
Y a. using fishing apparatus which restricts maneuverability N b. using trolling lines N c. power-driven N d. showing lights or shapes for a vessel restricted in her ability to maneuver 4389: BOTH INTERNATIONAL & INLAND An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?
N a. Masthead lights and sidelights N b. One sidelight, the masthead lights and stern light N c. Both sidelights Y d. Stern light 4404: BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall, when making way, exhibit __________.
N a. the masthead lights for a towing vessel N b. the lights for a vessel restricted in its ability to maneuver N c. sidelights, stern light and towing light Y d. All of the above 4531: BOTH INTERNATIONAL & INLAND Your vessel enters fog. You stop your engines, and the vessel is dead in the water. Which fog signal should you sound?
N a. One prolonged blast every two minutes Y b. Two prolonged blasts every two minutes N c. Three short blasts every two minutes N d. One prolonged and two short blasts every two minutes 4544: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant and is presently on your starboard bow. You believe she will cross ahead of you. She then sounds a whistle signal of five short blasts. You should __________.
N a. answer the signal and hold course and speed N b. reduce speed slightly to make sure she will have room to pass Y c. make a large course change, accompanied by the appropriate whistle signal, and slow down if necessary N d. wait for another whistle signal from the other vessel 4582: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. pushing ahead Y b. underway N c. towing a submerged object N d. engaged in dredging 4635: BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing operations will show __________.
N a. three balls in a vertical line N b. two balls in a vertical line Y c. one ball near the foremast and one ball at each fore yard N d. one diamond near the foremast head and one ball at each fore yard 8045: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. No signal is necessary. N b. Two prolonged blasts N c. Two short blasts Y d. Two prolonged followed by two short blasts 8067: INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?
N a. A vessel not under command Y b. A fishing vessel N c. A vessel restricted in her ability to maneuver N d. All of the above 8075: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. Two short blasts followed by two prolonged blasts Y b. Two prolonged followed by two short blasts N c. Two prolonged blasts only N d. Two short blasts only 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 8121: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?
Y a. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver. N b. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. N c. A fishing vessel while underway has the right-of-way over a vessel constrained by her draft. N d. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft. 8129: INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?
N a. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. N b. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft. N c. A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing. Y d. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.