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.
12: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the steering and sailing rules, you should __________.
N a. sound the danger signal N b. sound one prolonged and two short blasts N c. exchange two short blasts Y d. exchange one short blast 58: INLAND ONLY While underway, you sight the lights as 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 N c. proceed leaving all the lights on your starboard side Y d. pass between the two sets of vertical red lights 79: INLAND ONLY On the Western Rivers, a power-driven vessel crossing a river must __________.
N a. maintain course and speed as you have the right of way over all vessels N b. keep out of the way of any vessel descending the river Y c. keep out of the way of a power-driven vessel ascending or descending the river N d. None of the above 101: 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 on her starboard side. Your first whistle signal should be __________.
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 108: 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. two prolonged blasts followed by one short blast N b. two prolonged blasts followed by two short blasts N c. one short blast Y d. two short blasts 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 194: BOTH INTERNATIONAL & INLAND You are on vessel "A" and proceeding down a narrow channel as shown. You can only navigate within the channel and vessel "B" is crossing so as to involve risk of collision. Which action would be most prudent? (DIAGRAM 40 )
N a. Back down and allow vessel "B" to cross ahead. N b. Alter course to starboard to give him more room. N c. Maintain course and speed. Y d. Sound the danger signal and take evasive action. 259: BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.
Y a. at all times N b. only if manned N c. only if towed astern N d. Need not be lighted 268: INLAND ONLY Two power-driven vessels are meeting in the situation as shown and will pass within 1/2 mile of each other. Two short blasts from either vessel means __________. (DIAGRAM 37 )
Y a. "I intend to leave you on my starboard side." N b. "I intend to leave you on my port side." N c. "I am altering my course to port." N d. "I am altering my course to starboard." 4012: BOTH INTERNATIONAL & INLAND A vessel which displays the day signal shown may be engaged in __________. (DIAGRAM 6 )
Y a. submarine cable laying N b. pilotage duty N c. fishing N d. mineclearance 4014: BOTH INTERNATIONAL & INLAND A power-driven vessel underway in fog making NO way must sound what signal?
N a. One long blast Y b. Two prolonged blasts N c. One prolonged blast N d. One prolonged and two short blasts 4050: BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a __________.
N a. black diamond Y b. black cone N c. black ball N d. basket 4066: BOTH INTERNATIONAL & INLAND The wind is ESE, and a sailing vessel is steering NW. Which fog signal should she sound?
N a. One blast at one-minute intervals N b. One blast at two-minute intervals N c. Two blasts at one-minute intervals Y d. One prolonged and two short blasts at two-minute intervals 4086: BOTH INTERNATIONAL & INLAND You are on vessel "A" and approaching vessel "B" as shown. You are not sure whether your vessel is crossing or overtaking vessel "B". You should __________. (DIAGRAM 15 )
N a. change course to make the situation definitely either crossing or overtaking N b. consider it to be a crossing situation Y c. consider it to be an overtaking situation N d. consider it a crossing situation if you can cross ahead safely 4099: BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.
N a. two balls in a vertical line Y b. two diamonds in a vertical line N c. a single black ball N d. no shape is shown during the day 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 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 4243: BOTH INTERNATIONAL & INLAND In reduced visibility, you hear two prolonged blasts of a whistle. This signal is sounded by a __________.
Y a. power-driven vessel dead in the water N b. sailing vessel on the port tack N c. vessel not under command N d. vessel fishing with nets 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4299: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel on your 15-meter vessel. A deeply loaded cargo vessel is proceeding down the channel as shown. In this situation, which statement is correct? (DIAGRAM 40 )
N a. You are the stand-on vessel because you are less than 65 feet in length. Y b. You cannot impede the passage of the cargo vessel. N c. The cargo vessel is the stand-on vessel because she is running with the current. N d. The Rule of Special Circumstances applies in this case. 4384: BOTH INTERNATIONAL & INLAND In DIAGRAM 8, vessel "A" and vessel "B" (which is pushing ahead) are meeting head-on as shown. How must the vessels pass? (DIAGRAM 8 )
N a. Vessel "A" must alter course while vessel "B" continues on its present course. N b. The vessels should determine which will alter course by exchanging whistle signals. N c. Both vessels should alter course to port and pass starboard to starboard. Y d. Both vessels should alter course to starboard and pass port to port. 4424: BOTH INTERNATIONAL & INLAND The Rules state that risk of collision shall be deemed to exist __________.
N a. whenever two vessels approach from opposite directions Y b. if the bearing of an approaching vessel does not appreciably change N c. whenever a vessel crosses ahead of the intended track of another vessel N d. if one vessel approaches another so as to be overtaking 4529: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
Y a. do not interfere with the keeping of a proper look-out N b. are not the color of either sidelight N c. have a lesser range than the prescribed lights N d. All of the above 4617: BOTH INTERNATIONAL & INLAND A vessel proceeding along a narrow channel shall __________.
N a. avoid crossing the channel at right angles N b. not overtake any vessels within the channel Y c. keep as near as safe and practicable to the limit of the channel on her starboard side N d. when nearing a bend in the channel, sound a long blast of the whistle 4655: BOTH INTERNATIONAL & INLAND Which vessels shall turn off their sidelights?
N a. All vessels that are not under command Y b. All fishing vessels that are not making way N c. All sailing vessels which are becalmed N d. All vessels engaged in underwater operations 4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.
N a. limitations of radar equipment N b. presence of background lights at night Y c. maximum horsepower of your vessel N d. maneuverability of your vessel 4869: BOTH INTERNATIONAL & INLAND Power-driven vessels must keep out of the way of sailing vessels except __________.
N a. in a crossing situation N b. when they are making more speed than the power-driven vessel Y c. when the sailing vessel is overtaking N d. on the Inland Waters of the United States 8048: INTERNATIONAL ONLY You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.
N a. one short blast N b. two prolonged blasts N c. two prolonged followed by two short blasts Y d. one prolonged, one short, one prolonged, and one short blast in that order 8114: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a situation involving a fishing vessel and a vessel not under command?
N a. They are required to communicate by radiotelephone. N b. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel. Y c. The fishing vessel must keep out of the way of the vessel not under command. N d. Both vessels are required to take action to stay clear of each other.