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.
13: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. U.S. submarines N b. vessels pushing ahead Y c. law enforcement vessels N d. dredge pipelines on trestles 28: INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would sound a whistle signal of __________.
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 75: INLAND ONLY You are on vessel "A", and vessel "B" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 31 )
N a. alter course to the left N b. slow your vessel until vessel "B" has passed Y c. hold course and speed N d. alter course to the left to give vessel "B" more sea room 103: INLAND ONLY Which light display would mark the opening in a pipeline where vessels could pass through?
N a. Three red lights in a vertical line on each side of the opening Y b. Two red lights in a vertical line on each side of the opening N c. Three white lights in a vertical line on each side of the opening N d. Two white lights in a vertical line on each side of the opening 136: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. a dredge pipeline on a trestle N b. the heads of tows being pushed ahead by tugboats N c. purse seiners Y d. a seaplane on the water 154: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )
Y a. sailing vessel N b. trawler dragging nets N c. vessel engaged in mine clearance N d. dredge at work 244: BOTH INTERNATIONAL & INLAND You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", a large tanker which can safely navigate only within the channel, sounds five short and rapid blasts. You should __________. (DIAGRAM 32 )
N a. sound one prolonged followed by two short blasts N b. not answer the whistle signal from vessel "B" N c. maintain course and speed Y d. not impede the passage of vessel "B" 263: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing 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. Y b. Change course or speed to avoid vessel "II". N c. Sound one short blast, and await a response. N d. Sound two short blasts, and await a response. 299: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )
Y a. vessel towing astern N b. vessel restricted in her ability to maneuver N c. vessel not under command N d. vessel aground 314: INLAND ONLY Identify the operation indicated by the lights shown. (DIAGRAM 85 )
N a. An aircraft carrier engaged in the launching and recovery of aircraft N b. A submarine engaged in underway replenishment at sea Y c. A dredge engaged in dredging operations N d. A vessel aground assisted by tugs 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 371: INTERNATIONAL ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, the towing vessel shall show lights in addition to her towing identification lights. These additional lights shall be shown if the tow is __________.
N a. pushed ahead N b. towed alongside Y c. towed astern N d. All of the above 4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )
N a. towing N b. conducting underwater operations N c. drifting Y d. aground 4035: BOTH INTERNATIONAL & INLAND When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT __________.
N a. one prolonged blast N b. two prolonged blasts N c. one prolonged and two short blasts Y d. ringing of a bell for five seconds 4103: BOTH INTERNATIONAL & INLAND Which is the danger signal?
N a. A continuous sounding of the fog signal N b. Firing a gun every minute Y c. Five or more short rapid blasts on the whistle N d. One prolonged blast on the whistle 4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when __________.
N a. she can be observed by radar Y b. she can be observed visually from the other vessel N c. she can be plotted on radar well enough to determine her heading N d. her fog signal can be heard 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 4297: BOTH INTERNATIONAL & INLAND Which requirement must be met in order for a stand-on vessel to take action to avoid collision?
Y a. Risk of collision must exist. N b. The give-way vessel must have taken action first. N c. The vessels must be within half a mile of each other. N d. There are no requirements to be met. The stand-on vessel may take action anytime. 4306: BOTH INTERNATIONAL & INLAND Which vessel is directed not to impede the passage of a vessel which can only navigate inside a narrow channel?
Y a. A vessel of less than 20 meters in length N b. A vessel not under command N c. A vessel engaged in surveying N d. All of the above 4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?
Y a. 20 meters N b. 50 meters N c. 65 meters N d. 100 meters 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 4356: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing underway sounds the same fog signal as a __________.
N a. power-driven vessel stopped and making no way through the water N b. vessel being towed Y c. vessel restricted in her ability to maneuver at anchor N d. sailing vessel at anchor 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 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 4519: BOTH INTERNATIONAL & INLAND A vessel underway and making way in fog shall sound every two minutes __________.
Y a. one prolonged blast N b. two prolonged blasts N c. one prolonged blast and three short blasts N d. three distinct blasts 4609: BOTH INTERNATIONAL & INLAND In determining "safe speed", all of the following must be taken into account EXCEPT the __________.
Y a. maximum horsepower of your vessel N b. presence of background lights at night N c. draft of your vessel N d. maneuverability of your vessel 4653: BOTH INTERNATIONAL & INLAND A vessel showing this day-shape __________. (DIAGRAM 34 )
N a. has a tow which exceeds 200 meters in length N b. is engaged in surveying or underwater work N c. is not under command Y d. is fishing 4833: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?
N a. The vessel is classified as "restricted in her ability to maneuver". N b. Her gear will not affect the vessel's maneuverability. Y c. The vessel may be using nets, lines, or trawls. N d. She sounds the same fog signal as a vessel underway but stopped and making no way. 4833: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?
N a. The vessel is classified as "restricted in her ability to maneuver". N b. Her gear will not affect the vessel's maneuverability. Y c. The vessel may be using nets, lines, or trawls. N d. She sounds the same fog signal as a vessel underway but stopped and making no way. 5150: BOTH INTERNATIONAL & INLAND There are two classes of vessels which do not have to comply with the rule regarding traffic separation schemes, to the extent necessary to carry out their work. One of those is a vessel __________.
N a. engaged in fishing N b. towing another Y c. servicing a navigational aid N d. on pilotage duty