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.
2: INLAND ONLY What is the required whistle signal for a power-driven vessel leaving a dock or berth?
N a. One short blast Y b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 20: INLAND ONLY Your vessel is proceeding down a channel, and can safely navigate only within the channel. Another vessel is crossing your bow from port to starboard, and you are in doubt as to her intentions. Which statement is TRUE?
N a. The sounding of the danger signal is optional. Y b. The sounding of the danger signal is mandatory. N c. You should sound two short blasts. N d. You should sound one prolonged and two short blasts. 81: INLAND ONLY When two power-driven vessels are meeting on the Great Lakes, Western Rivers, or waters specified by the Secretary, where there is a current, which vessel shall sound the first passing signal?
N a. The vessel going upstream stemming the current Y b. The vessel downbound with a following current N c. The vessel that is towing regardless of the current N d. Either vessel 335: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight N c. green sidelight Y d. None of the above 367: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is __________. (DIAGRAM 42 )
Y a. give-way vessel N b. stand-on vessel N c. overtaking vessel N d. None of the above 367: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is __________. (DIAGRAM 42 )
Y a. give-way vessel N b. stand-on vessel N c. overtaking vessel N d. None of the above 4007: BOTH INTERNATIONAL & INLAND If you do NOT understand the course or intention of an approaching vessel you should sound __________.
N a. one short blast N b. one prolonged blast Y c. not less than five short blasts N d. not less than five prolonged blasts 4042: BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of __________.
N a. a vessel pushing ahead Y b. a power-driven vessel, not towing N c. a barge being pushed ahead N d. either answer A or answer B 4065: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.
N a. aground Y b. more than 100 meters in length, at anchor N c. fishing while making no way through the water N d. fishing in company with another vessel 4068: BOTH INTERNATIONAL & INLAND In the situation illustrated, vessel I is a power-driven vessel. Vessel II is a sailing vessel with the wind dead aft. Which statement about this situation is correct? (DIAGRAM 2 )
Y a. Vessel I should keep out of the way of Vessel II. N b. Vessel II should keep out of the way of Vessel I. N c. Vessel II would normally be the stand-on vessel, but should stay out of the way in this particular situation. N d. The Rules of Special Circumstances applies, and neither vessel is the stand-on vessel. 4150: BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?
N a. One Y b. Two N c. Three N d. Four 4216: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
N a. initiate an exchange of passing signals Y b. not cross the channel if you might impede the other vessel N c. sound the danger signal N d. hold your course and speed 4293: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel not under command N b. A sailing vessel underway N c. A vessel restricted in its ability to maneuver, at anchor Y d. All of the above 4350: BOTH INTERNATIONAL & INLAND While underway in fog you hear the rapid ringing of a bell. What does this signal indicate?
N a. A vessel backing down N b. A sailboat underway Y c. A vessel at anchor N d. A vessel drifting 4354: BOTH INTERNATIONAL & INLAND At night, a power-driven vessel less than 12 meters in length may, instead of the normal navigation lights, show sidelights and one __________.
Y a. white light N b. yellow light N c. flashing white light N d. flashing yellow light 4421: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.
Y a. south (180°) N b. east (090°) N c. northeast (045°) N d. west (270°) 4466: BOTH INTERNATIONAL & INLAND Which lights shall a 200-meter vessel exhibit when at anchor?
N a. In the forepart of the vessel, a 225-degree white light N b. In the after part of the vessel, a 112.5-degree white light Y c. Working lights to illuminate the decks N d. In the forepart of the vessel, a 112.5-degree white light 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 4525: BOTH INTERNATIONAL & INLAND Sailing vessels are stand-on over power-driven vessels except __________.
N a. in a crossing situation N b. in a meeting situation Y c. when they are the overtaking vessel N d. on the inland waters of the U.S. 4632: BOTH INTERNATIONAL & INLAND The Rules state that a seaplane shall __________.
N a. not be regarded as a vessel Y b. in general, keep well clear of all vessels N c. proceed at a slower speed than surrounding vessels N d. when making way, show the lights for a vessel not under command 4662: BOTH INTERNATIONAL & INLAND Vessel "A" (towing) and vessel "B" are meeting as shown. In this situation, which statement is TRUE? (DIAGRAM 12 )
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. Vessel "A" should hold course while vessel "B" alters course to starboard. N d. Vessel "A" is the stand-on in this situation. 4677: BOTH INTERNATIONAL & INLAND You are on vessel "A", as shown and hear vessel "B" sound a signal indicating his intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________. (DIAGRAM 32 )
N a. sound two short blasts Y b. sound five or more short and rapid blasts N c. not answer the whistle signal from vessel "B" N d. sound three blasts of the whistle 4719: BOTH INTERNATIONAL & INLAND The lights shown mean that another vessel should pass no closer than__________________. (DIAGRAM 68 )
N a. 500 meters Y b. 1000 meters N c. 1500 meters N d. 2000 meters 4745: 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. hold your course and speed if he is on your port bow N b. sound three short blasts, and take all way off your vessel Y c. not cross the channel if you might impede the other vessel N d. sound two prolonged blasts followed by one short blast 8009: INTERNATIONAL ONLY You are underway on the high seas in restricted visibility. You hear a fog signal of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.
N a. minesweeping N b. engaged in fishing N c. constrained by her draft Y d. being towed 8013: INTERNATIONAL ONLY When two vessels are in sight of one another, all of the following signals may be given EXCEPT __________.
N a. a light signal of at least five short and rapid flashes Y b. four short whistle blasts N c. one prolonged, one short, one prolonged and one short whistle blasts N d. two short whistle blasts 8029: INTERNATIONAL ONLY What day-shape is prescribed for a vessel constrained by her draft?
N a. A black cone, apex upward N b. A black cone, apex downward N c. Two vertical black balls Y d. A cylinder 8081: INTERNATIONAL ONLY The light which may be used with a vessel's whistle must be __________.
N a. used when the whistle is broken Y b. a white light N c. used only at night N d. used prior to sounding the whistle 8089: BOTH INTERNATIONAL AND INLAND A towing light __________.
N a. flashes at regular intervals of 50-70 flashes per minute Y b. is yellow in color N c. shows an unbroken light over an arc of the horizon of not less than 180° nor more than 225° N d. All of the above 8120: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
N a. all-round yellow light only Y b. all-round white light only N c. all-round blue light only N d. alternating red and yellow light