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.
105: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your FIRST whistle signal should be __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 123: INLAND ONLY What is not contained in the Inland Navigation Rules?
N a. An inconspicuous, partly submerged object N b. Lights on pipelines Y c. A vessel constrained by her draft N d. An air-cushion vessel 152: BOTH INTERNATIONAL & INLAND The vessel showing the day signal is __________. (DIAGRAM 22 )
N a. A vessel engaged in mine clearance operations N b. A fishing vessel with gear extending more than 150 meters horizontally N c. A trawler shooting nets in the direction indicated Y d. A tug with a tow exceeding 200 meters unable to deviate from course 165: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. SE N b. NE N c. SW Y d. NW 236: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )
N a. one short blast N b. two short blasts N c. one prolonged blast Y d. no whistle signal 240: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown and will pass without changing course. Which light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )
N a. yellow towing light Y b. white stern light N c. green sidelight N d. None of the above 279: 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 Y b. visible at night and during periods of restricted visibility N c. more than 50 meters apart N d. flashing at intervals of 120 flashes per minute 292: BOTH INTERNATIONAL & INLAND The tug shown is greater than 50 meters and severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )
N a. Two white masthead lights, red-white-red all round lights, sidelights, stern light and a towing light N b. Three white masthead lights, red-white-red all round lights, sidelights and two towing lights N c. Three white masthead lights, two all round red lights, sidelights, stern light and a towing light Y d. None of the above 375: BOTH INTERNATIONAL & INLAND The tow shown is made up of inconspicuous, partly submerged vessels and is 150 meters in length. The towed vessels are less than 25 meters in breadth and less than 100 meters in length. Which lights would be displayed from the towed vessels? (DIAGRAM 24 )
N a. Sidelights and stern light on each vessel towed N b. One all round white light at the after end of each vessel towed Y c. One all round white light at or near each end of each vessel towed N d. One all round white light at each end and one all round white light at the extremities of its breadth of each vessel towed 4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.
N a. vessel not under command N b. sailing vessel Y c. vessel being towed (manned) N d. vessel being towed (unmanned) 4140: BOTH INTERNATIONAL & INLAND The rule regarding look-outs applies __________.
N a. in restricted visibility N b. between dusk and dawn N c. in heavy traffic Y d. All of the above 4157: BOTH INTERNATIONAL & INLAND Which vessel may exhibit identifying lights when not actually engaged in her occupation?
N a. A trawler N b. A fishing vessel N c. A tug Y d. None of the above 4285: BOTH INTERNATIONAL & INLAND While underway in fog you hear another vessel sounding two prolonged blasts every two minutes. This signal indicates a vessel __________.
N a. making way through the water N b. towing Y c. drifting N d. anchored 4289: BOTH INTERNATIONAL & INLAND You are on a power-driven vessel in fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists __________.
N a. slow to less than 2 knots Y b. reduce to bare steerageway N c. stop your engines N d. initiate a radar plot 4345: BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is __________.
N a. engaged in underwater construction N b. under sail and power N c. a pilot vessel Y d. trawling 4354: BOTH INTERNATIONAL & INLAND At night, a power-driven vessel less than 12 meters in length may, instead of the normal navigation lights, show sidelights and one __________.
Y a. white light N b. yellow light N c. flashing white light N d. flashing yellow light 4364: BOTH INTERNATIONAL & INLAND The whistle signal for a vessel operating astern propulsion is __________.
N a. one long blast N b. one prolonged blast Y c. three short blasts N d. four or more short blasts 4447: BOTH INTERNATIONAL & INLAND A rigid replica of the International Code flag "A" may be shown by a vessel __________.
N a. pulling a submarine cable Y b. engaged in diving operations N c. engaged in underway replenishment N d. transferring explosives 4466: BOTH INTERNATIONAL & INLAND Which lights shall a 200-meter vessel exhibit when at anchor?
N a. In the forepart of the vessel, a 225-degree white light N b. In the after part of the vessel, a 112.5-degree white light Y c. Working lights to illuminate the decks N d. In the forepart of the vessel, a 112.5-degree white light 4532: BOTH INTERNATIONAL & INLAND The term "power-driven vessel" refers to any vessel __________.
N a. with propelling machinery onboard whether in use or not N b. making way against the current Y c. with propelling machinery in use N d. traveling at a speed greater than that of the current 4563: BOTH INTERNATIONAL & INLAND You are on vessel "A" in DIAGRAM 32, and hear vessel "B" sound a signal indicating her intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________.
Y a. sound five or more short rapid blasts N b. sound two short blasts N c. not answer the whistle signal from vessel "B" N d. sound three blasts of the whistle 4573: BOTH INTERNATIONAL & INLAND A power-driven vessel shows the same lights as a __________.
N a. vessel engaged in towing, when not underway N b. vessel towing astern N c. sailing vessel Y d. pushing vessel and a vessel being pushed, when they are rigidly connected in a composite unit 4610: BOTH INTERNATIONAL & INLAND You are aboard the give-way vessel in a crossing situation. What should you NOT do in obeying the Rules?
Y a. Cross ahead of the stand-on vessel N b. Make a large course change to starboard N c. Slow your vessel N d. Back your vessel 4676: BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating her intention to pass you on your starboard side. If such an action appears dangerous, you should sound __________.
N a. one prolonged followed by one short blast N b. one prolonged, one short, one prolonged, and one short blast in that order Y c. five short and rapid blasts N d. three short and rapid blasts 4695: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two short blasts on the whistle. You should __________.
N a. not sound any whistle signals until the other vessel is sighted Y b. sound only fog signals until the other vessel is sighted N c. sound whistle signals only if you change course N d. sound two short blasts and change course to the left 4704: BOTH INTERNATIONAL & INLAND The masthead light may be located at other than the fore and aft centerline on a vessel __________.
N a. less than 50 meters in length N b. less than 20 meters in length Y c. of special construction N d. engaged in trolling 4856: BOTH INTERNATIONAL & INLAND When in sight of another vessel and there is sufficient sea room, any action taken to avoid collision must __________.
N a. be accompanied by sound signals Y b. not result in another close quarters situation N c. include a speed change N d. All of the above 4858: BOTH INTERNATIONAL & INLAND When underway in a channel, you should if safe and practicable __________.
N a. stay near the middle of the channel N b. keep to the starboard side of any vessels you meet N c. exchange whistle signals with any other vessels in the channel Y d. keep to the side of the channel which lies to your starboard 4861: BOTH INTERNATIONAL & INLAND When navigating in thick fog with the radar on, you should __________.
N a. station the look-out in the wheelhouse to keep a continuous watch on the radar N b. secure the sounding of fog signals until a vessel closes within five miles Y c. station a look-out as low down and far forward as possible N d. keep the radar on the shortest available range for early detection of approaching vessels 8100: INTERNATIONAL ONLY The International Rules of the Road apply __________.
N a. to all waters N b. to any waters inside the territorial waters of the U.S. N c. only to waters where foreign vessels travel Y d. upon the high seas and connecting waters navigable by seagoing vessels