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.
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 174: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They could indicate a vessel __________. (DIAGRAM 71 )
N a. under sail and power N b. dredging while underway N c. fishing with nets extending more than 150 meters Y d. power-driven and approaching head-on 342: 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. This signal means __________. (DIAGRAM 42 )
N a. "I intend to leave you on my starboard side" N b. "I am operating astern propulsion port side" N c. "I am altering my course to starboard" Y d. None of the above 370: INLAND ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, lights in addition to the towing identification lights must be shown. These additional lights shall be shown if the tow is __________.
N a. pushed ahead N b. towed alongside N c. towed astern Y d. All of the above 379: BOTH INTERNATIONAL & INLAND A seagoing tug has a tow greater than 200 meters as shown and is severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )
Y a. Three 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 N d. None of the above 390: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command Y b. under oars N c. engaged in fishing N d. towing 727: INLAND ONLY Maneuvering signals shall be sounded on inland waters by __________.
N a. all vessels when meeting, crossing, or overtaking and in sight of one another N b. all vessels meeting or crossing at a distance within half a mile of each other and not in sight of one another Y c. power-driven vessels overtaking and in sight of one another N d. power-driven vessels crossing at a distance within half a mile of each other and NOT in sight of one another 4075: BOTH INTERNATIONAL & INLAND You are approaching another vessel. She is about one mile distant and is 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, and slow down if necessary N d. wait for another whistle signal from the other vessel 4116: BOTH INTERNATIONAL & INLAND The towing light is a(n) __________.
N a. flashing amber light Y b. yellow light with the same characteristics as the stern light N c. all-round yellow light N d. yellow light with the same characteristics as the masthead light 4156: BOTH INTERNATIONAL & INLAND Which vessel is "underway" under the Rules of the Road?
N a. A vessel at anchor with the engine running N b. A vessel with a line led to a tree onshore Y c. A vessel drifting with the engine off N d. A vessel aground 4249: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?
Y a. She must use this equipment to obtain early warning of risk of collision. N b. The use of a radar excuses a vessel from the need of a look-out. N c. The radar equipment is only required to be used in restricted visibility. N d. The safe speed of such a vessel will likely be greater than that of vessels without radar. 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. 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 4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )
N a. is at anchor N b. is not under command Y c. has a tow that exceeds 200 meters in length N d. has a tow that is carrying dangerous cargo 4455: BOTH INTERNATIONAL & INLAND Which vessel is "underway" within the meaning of the Rules?
N a. A vessel at anchor with the engine turning N b. A vessel tied to an offshore mooring buoy N c. A vessel aground with the engine turning Y d. A vessel drifting with the engine stopped 4486: BOTH INTERNATIONAL & INLAND What day-shape would a vessel at anchor show during daylight?
Y a. One black ball N b. Two black balls N c. Three black balls N d. No signal 4513: BOTH INTERNATIONAL & INLAND By day, you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls, and the middle shape is a diamond. It could be a __________.
N a. vessel trolling N b. mineclearing vessel N c. trawler Y d. vessel engaged in replenishment at sea 4594: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include __________.
Y a. state of wind, sea, and current, and the proximity of navigational hazards N b. maximum attainable speed of your vessel N c. temperature N d. aids to navigation that are available 4615: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal if she is __________.
Y a. underway, but not making way N b. aground N c. being towed N d. not engaged in pilotage duty 4626: BOTH INTERNATIONAL & INLAND A vessel being towed astern, where the length of the tow exceeds 200 meters, will exhibit __________.
N a. two balls in a vertical line Y b. a diamond shape where it can best be seen N c. a ball on each end of the tow N d. no day-shape 4631: BOTH INTERNATIONAL & INLAND Two barges are being pushed ahead by a tugboat. Which statement is TRUE concerning lights on the barges?
N a. Each vessel should show sidelights. N b. Each vessel should show at least one white light. N c. The barges should be lighted as separate units. Y d. The barges should be lighted as one vessel. 4692: BOTH INTERNATIONAL & INLAND What is NOT a vessel "restricted in her ability to maneuver"?
N a. A vessel laying engaged in laying submarine cable N b. A vessel towing with limited maneuverability due to a large unwieldy tow Y c. A deep-draft vessel that can only navigate in a dredged channel N d. A towing vessel underway with a fuel barge alongside and taking on fuel 4713: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
Y a. Whistle and bell only N b. Whistle only N c. Bell only N d. Whistle, bell, and gong 4829: BOTH INTERNATIONAL & INLAND The term "restricted visibility", when used in the Rules, refers to __________.
N a. situations when you can see vessels on radar that you cannot see visually N b. visibility of less than half a mile Y c. any condition where visibility is restricted N d. visibility where you cannot see shore 4835: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. a barge permanently affixed to the shore Y b. nondisplacement craft N c. a drilling unit attached to the Outer Continental Shelf N d. All of the above 4864: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
N a. A vessel dredging Y b. A sailing vessel N c. A vessel servicing an aid to navigation N d. All of the above 4873: BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel __________.
N a. not under command N b. restricted in her ability to maneuver Y c. engaged in towing N d. fishing 5500: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
N a. only anchor in the separation zone N b. avoid crossing traffic lanes, but if obliged to do so, shall cross on a heading at as small an angle as is practical Y c. avoid anchoring in areas near the termination of the scheme N d. use the separation zone for navigation through the scheme if she is hindering other traffic due to her slower speed 8024: INTERNATIONAL ONLY Which signal is required to be sounded by a power-driven vessel ONLY?
Y a. A signal meaning, "I am altering my course to starboard." N b. A signal meaning, "I intend to overtake you on your starboard side." N c. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions. N d. A signal sounded when approaching a bend. 8030: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.
N a. engaged in towing N b. constrained by her draft N c. under sail Y d. All of the above