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.
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 93: INLAND ONLY While underway in a harbor you hear a vessel sound a prolonged blast. This signal indicates that this vessel __________.
N a. desires to overtake your vessel N b. is at anchor N c. is backing her engines Y d. is moving from a dock 112: INLAND ONLY While underway, you sight the lights shown, with the yellow lights flashing. You should __________. (DIAGRAM 81 )
N a. wait until the vessel ahead crosses your bow N b. stop until the red lights turn green Y c. pass between the two sets of vertical red lights N d. proceed, leaving all the lights on your starboard side 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 199: INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthead lights. What is required in this situation?
N a. The vessel must carry only the lights that comply with the rules; the others may be omitted. Y b. The vessel's lights must comply as closely as possible. N c. The vessel must be altered to permit full compliance with the rules. N d. An all-round light should be substituted for the after masthead light and the stern light. 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 316: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
N a. a pilot boat N b. sailing Y c. fishing N d. anchored 337: 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. Vessel "B" should sound __________. (DIAGRAM 42 )
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by two short blasts N d. three short blasts 343: 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" Y b. "I intend to leave you on my port side" N c. "I am altering my course to starboard" N d. None of the above 4051: BOTH INTERNATIONAL & INLAND The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights __________.
Y a. shall be displayed in restricted visibility during daylight hours N b. need not be displayed when no other vessels are in the area N c. shall be set at low power when used during daylight hours N d. need not be displayed by unmanned vessels 4084: BOTH INTERNATIONAL & INLAND If you are approaching a bend, and hear a whistle signal of one prolonged blast from around the bend, you should answer with a signal of __________.
N a. a short blast Y b. a prolonged blast N c. one short, one prolonged, and one short blast N d. a long blast 4125: BOTH INTERNATIONAL & INLAND If you saw flames aboard a vessel but could see the vessel was not on fire, you would know that the __________.
N a. crew was trying to get warm Y b. vessel required immediate assistance N c. vessel was attempting to attract the attention of a pilot boat N d. vessel was being illuminated for identification by aircraft 4198: BOTH INTERNATIONAL & INLAND You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. You should sound __________.
Y a. one blast, 4 to 6 seconds in duration N b. three blasts, 4 to 6 seconds in duration N c. one continuous blast until you are able to see around the bend N d. one blast, 8 to 10 seconds in duration 4262: BOTH INTERNATIONAL & INLAND A vessel not under command making way at night would show __________.
N a. two all-round red lights in a vertical line N b. anchor lights and sidelights N c. two all-round white lights in a vertical line, sidelights and a stern light Y d. two all-round red lights in a vertical line, sidelights, and a stern light 4272: BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing another vessel astern shall show the light(s) in Diagram __________. (DIAGRAMS 46, 54, 60 )
N a. 75 Y b. 60 N c. 54 N d. 46 4397: BOTH INTERNATIONAL & INLAND In a crossing situation, a vessel fishing must keep out of the way of a vessel which is __________.
N a. under sail N b. towing Y c. restricted in her ability to maneuver N d. engaged in pilotage duty 4401: BOTH INTERNATIONAL & INLAND You are underway in heavy fog. You hear the fog signal of a vessel which is somewhere ahead of your vessel. You must __________.
N a. slow to moderate speed and navigate with caution N b. maintain speed and sound the danger signal N c. stop engines and navigate with caution Y d. slow to bare steerageway and navigate with caution 4401: BOTH INTERNATIONAL & INLAND You are underway in heavy fog. You hear the fog signal of a vessel which is somewhere ahead of your vessel. You must __________.
N a. slow to moderate speed and navigate with caution N b. maintain speed and sound the danger signal N c. stop engines and navigate with caution Y d. slow to bare steerageway and navigate with caution 4432: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the lights shown is __________. (DIAGRAM 61 )
N a. fishing Y b. a pilot vessel at anchor N c. a fishing vessel aground N d. fishing and hauling her nets 4452: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear three distinct bell strokes followed by five seconds of rapid bell ringing followed by three distinct bell strokes. This signal indicates a vessel __________.
Y a. aground N b. engaged in underwater construction N c. at anchor N d. in distress 4480: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.
N a. a small white light abaft the funnel N b. three masthead lights in a vertical line instead of either the forward or after masthead lights Y c. two masthead lights in a vertical line instead of either the forward or after masthead lights N d. two towing lights in a vertical line at the stern 4492: BOTH INTERNATIONAL & INLAND You sight another power-driven vessel dead-ahead showing both the red and green sidelights. The required action to take would be to __________.
N a. carefully watch his compass bearing N b. start a radar plot in order to ascertain his course N c. alter your course to port Y d. alter your course to starboard 4498: BOTH INTERNATIONAL & INLAND In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows __________.
N a. a basket N b. a black ball Y c. a black cone N d. two black cones 4652: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 18 )
N a. towing astern with a tow greater than 200 meters in length N b. not under command Y c. dredging N d. carrying dangerous cargo 4686: BOTH INTERNATIONAL & INLAND If underway in low visibility and sounding fog signals, what changes would you make in the fog signal IMMEDIATELY upon losing the power plant and propulsion?
Y a. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. N b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. N c. Begin sounding two prolonged blasts at two-minute intervals. N d. No change should be made in the fog signal. 4691: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?
N a. A bell signal Y b. A whistle signal N c. A gong signal N d. All of the above are mandatory. 4877: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.
N a. one short blast and maintain course N b. two short blasts, alter to port, and pass astern Y c. the danger signal N d. no signal and maneuver at will 6000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left Y b. sound only fog signals until the other vessel is sighted N c. sound whistle signals only if you change course N d. not sound any whistle signals until the other vessel is sighted 6520: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
N a. vessel not under command Y b. vessel at anchor N c. vessel towing N d. All of the above 8087: INTERNATIONAL ONLY Lighting requirements in inland waters are different from those for international waters for __________.
Y a. barges being pushed ahead N b. vessels restricted in their ability to maneuver N c. vessels towing astern N d. barges being towed astern