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.
11: INLAND ONLY When you are overtaking another vessel and desire to pass on her left or port hand, you should sound __________.
N a. one short blast N b. one long blast Y c. two short blasts N d. two prolonged blasts 11: INLAND ONLY When you are overtaking another vessel and desire to pass on her left or port hand, you should sound __________.
N a. one short blast N b. one long blast Y c. two short blasts N d. two prolonged blasts 89: INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You __________.
N a. may sound the danger signal Y b. must sound the danger signal N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down 106: INLAND ONLY You are overtaking another power-driven vessel and sound a whistle signal indicating that you intend to pass the vessel along her starboard side. If the other vessel answers your signal with five short and rapid blasts, you should __________.
N a. pass the other vessel along her starboard side N b. sound five short and rapid blasts and pass along her starboard side Y c. not overtake the other vessel until both vessels exchange the same passing signal N d. not overtake the other vessel until she sounds another five short and rapid blast signal 169: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. NW N b. SW Y c. SE N d. NE 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. 320: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )
N a. a cylinder N b. a ball, a diamond and another ball Y c. two cones with apexes together N d. a diamond 324: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a green sidelight? (DIAGRAM 23 )
N a. A Y b. B N c. C N d. D 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 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 4069: BOTH INTERNATIONAL & INLAND Which lights are shown by a vessel restricted in her ability to maneuver to indicate that the vessel is making way?
Y a. Masthead lights, sidelights and stern light N b. Masthead lights and sidelights only N c. Sidelights and stern light only N d. Sidelights only 4088: BOTH INTERNATIONAL & INLAND The term "restricted visibility" as used in the Rules refers __________.
N a. only to fog N b. only to visibility of less than one-half of a mile N c. to visibility where you cannot see shore Y d. to any condition where visibility is restricted 4151: BOTH INTERNATIONAL & INLAND While underway in fog you hear a vessel sound one prolonged blast followed by two short blasts. What does this signal indicate?
Y a. A vessel towing N b. A vessel being towed N c. A pilot vessel engaged on pilotage duty N d. A vessel aground 4182: BOTH INTERNATIONAL & INLAND Distress signals may be __________.
N a. red flares N b. smoke signals N c. sound signals Y d. Any of the above 4225: BOTH INTERNATIONAL & INLAND A single towing light will be carried above a vessel's stern light __________.
Y a. only if she is towing astern N b. only if the tow exceeds 200 meters N c. at any time when towing N d. if the towing vessel is part of a composite unit 4237: BOTH INTERNATIONAL & INLAND At night, which lights would you see on a vessel engaged in fishing, other than trawling?
N a. Two red lights, one over the other N b. A green light over a red light Y c. A red light over a white light N d. A white light over a red light 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 4316: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel in a crossing situation take action to avoid the other vessel?
N a. When a risk of collision exists Y b. When action by the give-way vessel alone will not prevent a collision N c. When the bearing to give-way vessel becomes steady N d. When the vessels become less than 1/2 mile apart 4372: 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 N c. no signal and maneuver at will Y d. the danger signal 4411: BOTH INTERNATIONAL & INLAND For the purpose of the Rules, except where otherwise required, the term __________.
Y a. "vessel" includes seaplanes N b. "seaplane" includes nondisplacement craft N c. "vessel engaged in fishing" includes a vessel fishing with trolling lines N d. "vessel restricted in her ability to maneuver" includes fishing vessels 4417: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing a vessel displaying both sidelights ONLY dead ahead N b. Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights and masthead light(s) of a vessel dead ahead 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 4509: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be hidden by an obstruction shall __________.
N a. sound the danger signal Y b. sound a prolonged blast N c. take all way off N d. post a look-out 4626: BOTH INTERNATIONAL & INLAND A vessel being towed astern, where the length of the tow exceeds 200 meters, will exhibit __________.
N a. two balls in a vertical line Y b. a diamond shape where it can best be seen N c. a ball on each end of the tow N d. no day-shape 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 4646: BOTH INTERNATIONAL & INLAND By night, you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel, it will be marked by __________.
N a. a floodlight Y b. two red lights in a vertical line N c. a single red light N d. any visible lights 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 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 4859: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing in the narrow channel. Which statement is TRUE?
N a. Each vessel should move to the edge of the channel on her port side. N b. The vessels are required to exchange signals. Y c. The fishing vessel is directed not to impede the passage of the sailing vessel. N d. Each vessel should be displaying signals for a vessel constrained by her draft. 8068: INTERNATIONAL ONLY A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel __________.
N a. engaged on pilotage duty N b. in distress N c. at anchor Y d. being overtaken in a narrow channel