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.
27: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.
N a. one short blast, alter course to port, and pass starboard to starboard Y b. one short blast, alter course to starboard, and pass port to port N c. two short blasts, alter course to port, and pass starboard to starboard N d. two short blasts, alter course to starboard, and pass port to port 122: INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?
N a. None N b. One Y c. Two N d. One, on the near approach of another vessel 317: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
N a. a pilot boat N b. sailing N c. anchored Y d. fishing 339: 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 )
N a. one prolonged, one short, one prolonged and one short blasts N b. two short blasts Y c. one short blast N d. None of the above 370: INLAND ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, lights in addition to the towing identification lights must be shown. These additional lights shall be shown if the tow is __________.
N a. pushed ahead N b. towed alongside N c. towed astern Y d. All of the above 4031: BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
Y a. engaged in fishing N b. not under command N c. engaged in towing N d. under sail 4133: BOTH INTERNATIONAL & INLAND Which statement is TRUE when you are towing more than one barge astern at night?
N a. Only the last barge in the tow must be lighted. N b. Only the first and last barges in the tow must be lighted. Y c. All barges in the tow must be lighted. N d. All barges, except unmanned barges, must be lighted. 4139: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel displaying two cones with the apexes together?
N a. Sailing Y b. Trawling N c. Minesweeping N d. Dredging 4227: BOTH INTERNATIONAL & INLAND An orange flag showing a black circle and square is a __________.
N a. signal indicating a course change Y b. distress signal N c. signal of asking to communicate with another vessel N d. signal indicating danger 4231: BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would be required to show __________.
N a. sidelights, stern light, and a red light over a green light on the mast Y b. sidelights, and stern light, but they may be in a combined lantern on the mast N c. separate sidelights and stern light N d. sidelights only 4302: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound __________.
N a. one long blast Y b. one prolonged blast N c. the danger signal N d. two short blasts 4310: BOTH INTERNATIONAL & INLAND Which vessel is to be regarded as a vessel "restricted in her ability to maneuver"?
N a. A vessel fishing with trawls N b. A vessel which has lost the use of her steering gear N c. A vessel with a draft of such depth that she cannot change her course Y d. A vessel engaged in mineclearing 4314: BOTH INTERNATIONAL & INLAND In order for a vessel to be "engaged in fishing" she must be __________.
N a. underway N b. using gear which extends more than 50 meters outboard N c. using a seine of some type Y d. using gear which restricts her maneuverability 4344: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range Y b. you can take proper and effective action to avoid collision N c. you are traveling slower than surrounding vessels N d. no wake comes from your vessel 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 4413: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a 75-meter power-driven vessel underway at night?
N a. She must exhibit an all-round white light at the stern. Y b. She must exhibit forward and after masthead lights. N c. She must exhibit only a forward masthead light. N d. She may exhibit a red light over a green light forward. 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. 4564: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?
N a. A sailing vessel Y b. A vessel restricted in her ability to maneuver N c. A vessel constrained by her draft N d. A vessel not under command 4584: INTERNATIONAL AND INLAND A vessel that is not equipped with towing lights should show that it has a vessel in tow by_________________.
N a. continuously sounding its horn N b. sounding one prolonged followed by two short blasts at intervals of not more than two minutes Y c. shining a searchlight on the towline of the towed vessel N d. None of the above; a vessel shall not engage in towing at night without proper navigation lights 4644: BOTH INTERNATIONAL & INLAND A vessel engaged in trawling will show identification lights of __________.
N a. a red light over a white light N b. a white light over a red light Y c. a green light over a white light N d. two red lights in a vertical line 4660: BOTH INTERNATIONAL & INLAND In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should __________.
N a. stop your engines N b. sound the danger signal at two-minute intervals N c. hold course and speed until the other vessel is sighted Y d. take avoiding action as soon as possible 4664: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You MUST __________.
N a. hold your course and speed N b. sound the danger signal Y c. not cross the channel if you might impede the other vessel N d. initiate an exchange of passing signals 4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
N a. one prolonged and three short blasts at one minute intervals N b. a rapid ringing of the bell for five seconds at one minute intervals Y c. one prolonged and two short blasts at two minute intervals N d. a sounding of the bell and gong at one minute intervals 4705: BOTH INTERNATIONAL & INLAND In complying with the Rules, of what must the mariner take due regard?
N a. Limited backing power of his vessel N b. Radar information about nearby vessels N c. The occupation of the other vessel, if known Y d. All of the above 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 6530: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
N a. stop your engines Y b. take all way off, if necessary N c. begin a radar plot N d. All of the above 8010: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.
N a. not under command N b. aground N c. dredging Y d. constrained by her draft 8027: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which could be sounded by a __________.
N a. fishing vessel N b. vessel anchored N c. mineclearing vessel Y d. vessel overtaking another in a narrow channel 8043: INTERNATIONAL ONLY Which vessel would NOT sound a fog signal of one prolonged and two short blasts?
N a. A vessel not under command N b. A vessel constrained by her draft Y c. A vessel being towed N d. A vessel sailing 8103: INTERNATIONAL ONLY Which vessel is NOT "restricted in her ability to maneuver"?
N a. A vessel servicing an aid to navigation Y b. A vessel constrained by her draft N c. A towing vessel with tow, unable to deviate from its course N d. A vessel engaged in dredging