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.
19: INLAND ONLY A power-driven vessel operating in a narrow channel with a following current on the Great Lakes or Western Rivers is meeting an upbound vessel. Which statement is TRUE?
N a. The downbound vessel has the right-of-way. N b. The downbound vessel must initiate the required maneuvering signals. N c. The downbound vessel must propose the manner and place of passage. Y d. All of the above 59: INLAND ONLY When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.
Y a. "I intend to leave you on my port side" N b. "I intend to hold course and speed" N c. "I intend to change course to starboard" N d. "I request a departure from the rules" 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 125: INLAND ONLY Under the Inland Navigation Rules, the term "Inland Waters" includes __________.
N a. any waters marked by U.S. aids to navigation N b. harbors and rivers to the outermost aids to navigation N c. waters along the coast of the United States to a distance of two miles offshore Y d. the Western Rivers, extending to the COLREGS demarcation line 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 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 4000: BOTH INTERNATIONAL & INLAND Your vessel is 75 meters in length and restricted in her ability to maneuver. Visibility is restricted. What signal do you sound if you are carrying out your work at anchor?
N a. Five seconds ringing of a bell at intervals of not more than one minute Y b. One prolonged blast followed by two short blasts on the whistle at intervals of not more than two minutes N c. Five seconds ringing of a bell and five second sounding of a gong at intervals of not more than one minute N d. Four short blasts on the whistle at intervals of not more than two minutes 4025: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in fog. She should sound __________.
N a. three short blasts N b. one prolonged blast Y c. one prolonged and two short blasts N d. two prolonged blasts 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 4112: BOTH INTERNATIONAL & INLAND A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________.
N a. during the day, three balls in a vertical line N b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond Y c. when making way at night, two all-round red lights, sidelights, and a stern light N d. when making way at night, masthead lights, sidelights, and a stern light 4154: 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 on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4211: BOTH INTERNATIONAL & INLAND In order for a stand-on vessel to take action in a situation, she must determine that the other vessel __________.
N a. is restricted in her ability to maneuver N b. has sounded the danger signal Y c. is not taking appropriate action N d. has not changed course since risk of collision was determined 4213: BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
N a. When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel. N b. A vessel at anchor may sound one short, one prolonged, and one short blast. N c. A pilot vessel may sound an identity signal on the whistle. Y d. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute. 4258: BOTH INTERNATIONAL & INLAND At night, a broken down vessel being towed would show the same lights as __________.
N a. a power-driven vessel underway N b. the towing vessel Y c. a barge N d. a vessel at anchor 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 4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?
Y a. A diamond N b. A cone N c. One black ball N d. Two black balls in a vertical line 4313: BOTH INTERNATIONAL & INLAND While underway at night, you sight a vessel ahead displaying the lights shown. How should the vessels pass? (DIAGRAM 71 )
Y a. Both vessels should alter course to starboard and pass port to port. N b. Both vessels should alter course to port and pass starboard to starboard. N c. Your vessel should hold course and speed and the other vessel should keep clear. N d. You should sound an appropriate overtaking signal. 4468: BOTH INTERNATIONAL & INLAND You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern, which is lower than the forward light. It could be a __________.
Y a. survey vessel N b. vessel not under command N c. vessel aground N d. pilot vessel with port side to you 4472: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?
N a. A seaplane must exhibit appropriate lights but need not exhibit shapes. N b. A seaplane should show the lights for a vessel constrained by her draft. N c. In situations where a risk of collision exists, a seaplane should always give way. Y d. A seaplane on the water shall, in general, keep well clear of all vessels. 4505: BOTH INTERNATIONAL & INLAND Vessels of less than what length may not impede the passage of other vessels which can safely navigate only within a narrow channel or fairway?
N a. 10 meters Y b. 20 meters N c. 30 meters N d. 40 meters 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 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 4876: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
N a. sound two prolonged blasts followed by one short blast Y b. not cross the channel if you might impede the other vessel N c. sound three short blasts, and take all way off your vessel N d. hold your course and speed if he is on your port bow 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. 8032: INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?
N a. When overtaking in restricted visibility Y b. When overtaking in a narrow channel N c. When overtaking on open waters N d. When no other vessels are in the immediate area 8056: INTERNATIONAL ONLY A whistle signal of one prolonged, one short, one prolonged and one short blast, is sounded by a vessel __________.
N a. at anchor N b. towing a submerged object Y c. being overtaken in a narrow channel N d. in distress 8071: INTERNATIONAL ONLY Which vessel is NOT regarded as being "restricted in her ability to maneuver"?
N a. A vessel servicing an aid to navigation N b. A vessel engaged in dredging N c. A towing vessel with tow unable to deviate from its course Y d. A vessel constrained by her draft 8083: INTERNATIONAL ONLY While underway and in sight of another vessel, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
Y a. You must sound three short blasts on the whistle. N b. You must sound one blast if backing to starboard. N c. You must sound whistle signals only if the vessels are meeting. N d. You need not sound any whistle signals. 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.