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.
10: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?
N a. Seaplane N b. Restricted visibility N c. Underway Y d. Vessel constrained by her draft 41: INLAND ONLY Two vessels in a crossing situation have reached agreement by radiotelephone as to the intentions of the other. In this situation, whistle signals are __________.
N a. required Y b. not required, but may be sounded N c. required if crossing within half a mile N d. required when crossing within one mile 161: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading __________. (DIAGRAM 51 )
Y a. NW N b. SW N c. NE N d. SE 185: BOTH INTERNATIONAL & INLAND You see the display of lights shown. It could be a __________. (DIAGRAM 54 )
N a. pilot vessel with a motor launch alongside N b. fishing vessel adrift and fishing with handlines N c. fishing vessel at anchor Y d. fishing vessel with outlying gear more than 150 meters 239: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )
N a. Both vessels should continue on course and pass without sounding any whistle signals. N b. The vessels must exchange two blast whistle signals and pass port to port. N c. The vessels must exchange one blast whistle signals and pass starboard to starboard Y d. The vessels may reach agreement by radiotelephone and sound no whistle signal. 249: INLAND ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a power-driven vessel engaged in fishing that will pass within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. N b. Sound the danger signal and reduce speed. N c. Sound one short blast, reduce speed and turn to starboard. Y d. Sound one short blast and await response from the fishing vessel. 253: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light(s) on the tug & barge will you see, if you are on vessel "A"? (DIAGRAM 41 )
N a. a special flashing light N b. two white masthead lights in a vertical line N c. green sidelights Y d. All of the above 345: 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 overtake you on my starboard side" N b. "I am operating astern propulsion" Y c. "I intend to leave you on my port side" N d. None of the above 351: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
Y a. "I am altering my course to starboard" N b. "I am operating astern propulsion" N c. "I am altering my course to port" N d. None of the above 355: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
Y a. "I am altering my course to starboard" N b. "I intend to leave you on my port side" N c. "I am altering my course to port" N d. None of the above 374: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile. N b. The vessels should exchange two blast whistle signals and pass port to port. Y c. If a passing agreement is reached by radiotelephone whistle signals are optional. N d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course. 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 4057: BOTH INTERNATIONAL & INLAND You see a vessel displaying the code flag "LIMA" below which is a red ball. The vessel is __________.
N a. trolling N b. getting ready to receive aircraft N c. aground Y d. in distress 4098: BOTH INTERNATIONAL & INLAND You can indicate that your vessel is in distress by __________.
N a. displaying a large red flag N b. displaying three black balls in a vertical line N c. sounding four or more short rapid blasts on the whistle Y d. continuously sounding the fog whistle 4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
N a. not under command N b. in special circumstances Y c. restricted in her ability to maneuver N d. constrained by her draft 4202: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the following signal: one short blast, one prolonged blast and one short blast in succession. Which of the following would it be?
N a. A sailing vessel underway with the wind abaft the beam N b. A power-driven vessel underway and making way through the water Y c. A vessel at anchor N d. A vessel towing 4229: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a 15-meter vessel when you sight a tankship off your port bow coming up the channel. Which statement is TRUE?
N a. Yours is the give-way vessel because it is less than 30 meters long. Y b. You shall not impede the safe passage of the tankship. N c. The tankship is the stand-on vessel because it is to port of your vessel. N d. The tankship is the stand-on vessel because it is the larger of the two vessels. 4229: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a 15-meter vessel when you sight a tankship off your port bow coming up the channel. Which statement is TRUE?
N a. Yours is the give-way vessel because it is less than 30 meters long. Y b. You shall not impede the safe passage of the tankship. N c. The tankship is the stand-on vessel because it is to port of your vessel. N d. The tankship is the stand-on vessel because it is the larger of the two vessels. 4278: BOTH INTERNATIONAL & INLAND A light signal consisting of three flashes means __________.
N a. "I am in doubt as to your actions" N b. "My engines are full speed astern" N c. "I desire to overtake you" Y d. "I am operating astern propulsion" 4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
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 4537: BOTH INTERNATIONAL & INLAND Vessel "A" is on course 000°T. Vessel "B" is on a course such that she is involved in a head-on situation and is bearing 355°T, 2 miles away from vessel "A". To ensure a safe passing, vessel "A" should __________.
N a. maintain course N b. alter course to port N c. alter course to ensure a starboard to starboard passing Y d. maneuver to ensure a port to port passing 4574: BOTH INTERNATIONAL & INLAND Which vessel shall NOT show her sidelights?
Y a. A fishing vessel that is not making way N b. A sailing vessel which is becalmed N c. A vessel engaged in underwater operations N d. A vessel that is not under command making way 4600: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?
N a. A vessel engaged in fishing, at anchor N b. A vessel restricted in its ability to maneuver, at anchor Y c. A sailing vessel, at anchor N d. A sailing vessel becalmed 4616: BOTH INTERNATIONAL & INLAND If your vessel is the stand-on vessel in a crossing situation __________.
Y a. you must keep your course and speed N b. you may change course and speed as the other vessel must keep clear N c. the other vessel must keep her course and speed N d. both vessels must keep their course and speed 4619: BOTH INTERNATIONAL & INLAND Which vessel is NOT to impede the passage of a vessel which can only navigate safely within a narrow channel?
N a. Any vessel less than 20 meters in length N b. Any sailing vessel N c. A vessel engaged in fishing Y d. All of the above 4697: BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.
N a. one prolonged and two short blasts N b. one prolonged and three short blasts N c. one short blast Y d. no fog signal 4739: BOTH INTERNATIONAL & INLAND 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 keep out of the way of a vessel engaged in fishing. Y c. 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 d. A vessel engaged in fishing shall keep out of the way of a sailing vessel. 4818: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.
N a. instead of the masthead lights Y b. which mean that other vessels should not approach within 1000 meters N c. that are 225° green lights N d. All of the above 4859: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing in the narrow channel. Which statement is TRUE?
N a. Each vessel should move to the edge of the channel on her port side. N b. The vessels are required to exchange signals. Y c. The fishing vessel is directed not to impede the passage of the sailing vessel. N d. Each vessel should be displaying signals for a vessel constrained by her draft. 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