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.
35: INLAND ONLY You are on vessel "B" and vessel "A" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 9 )
N a. alter course to the left N b. slow your vessel until vessel "A" has passed Y c. hold course and speed N d. alter course to the left or right to give vessel "A" more sea room 62: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
Y a. She has the right-of-way only if she is a power-driven vessel. N b. She has the right-of-way only if she has a tow. N c. She does not have the right-of-way, since the other vessel is not crossing the river. N d. She must wait for a whistle signal from the upbound vessel. 188: INTERNATIONAL ONLY Yellow lights are NOT shown by __________.
Y a. towing vessels pushing ahead N b. air cushion vessels in a nondisplacement mode N c. purse seiners N d. U.S. submarines 189: BOTH INTERNATIONAL & INLAND You are on vessel "A" towing a barge alongside and meeting vessel "B" as shown. Which action should you take? (DIAGRAM 39 )
N a. Alter course to port Y b. Alter course to starboard N c. Back down to reduce the strain on the lines N d. Maintain course and speed 223: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
Y a. Two N b. One N c. One, on the near approach of another vessel N d. None 246: INLAND ONLY You are on vessel "A" as shown in a narrow channel. Vessel "B" sounds two short blasts. If you are in agreement you should __________. (DIAGRAM 32 )
Y a. sound two short blasts N b. sound two prolonged followed by two short blasts N c. not answer the whistle signals from vessel "B" N d. None of the above 318: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )
Y a. two cones with apexes together N b. a ball, a diamond and another ball N c. a cylinder N d. a diamond 325: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. red sidelight Y c. green sidelight N d. stern light 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 345: 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 overtake you on my starboard side" N b. "I am operating astern propulsion" Y c. "I intend to leave you on my port side" N d. None of the above 389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command N b. engaged in fishing Y c. under oars N d. towing 4003: BOTH INTERNATIONAL & INLAND What is used to show the presence of a partly submerged object being towed?
N a. A diamond shape on the towed object N b. An all-round light at each end of the towed object N c. A searchlight from the towing vessel in the direction of the tow Y d. All of the above 4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.
N a. vessel not under command N b. sailing vessel Y c. vessel being towed (manned) N d. vessel being towed (unmanned) 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 4090: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.
N a. no vessels are in sight visually N b. no vessels are visible on radar Y c. you are in immediate danger N d. out of sight of land 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 4146: BOTH INTERNATIONAL & INLAND When taking action to avoid collision, you should __________.
Y a. make sure the action is taken in enough time N b. not make any large course changes N c. not make any large speed changes N d. All of the above 4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
N a. keep to the starboard side of the channel and sound one short blast N b. sound the danger signal Y c. sound one prolonged blast N d. slow your vessel to bare steerageway 4224: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is required to __________.
N a. maintain course and speed Y b. keep clear N c. sound one blast and turn to starboard N d. stop her engines 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 4385: BOTH INTERNATIONAL & INLAND To be considered "engaged in fishing" according to the Rules of the Road, a vessel must be __________.
Y a. using fishing apparatus which restricts maneuverability N b. using trolling lines N c. power-driven N d. showing lights or shapes for a vessel restricted in her ability to maneuver 4408: BOTH INTERNATIONAL & INLAND A fishing vessel displaying the lights shown is __________. (DIAGRAM 67 )
N a. anchored N b. underway but not fishing N c. tending a small fishing boat Y d. fishing by trawling 4448: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and pushing ahead when vessel "B" is sighted off the starboard bow as shown. Which statement is TRUE? (DIAGRAM 5 )
N a. Vessel "A" is the stand-on vessel because it is to the port side of vessel "B". N b. Vessel "A" is the stand-on vessel because it is pushing ahead. Y c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel. 4456: BOTH INTERNATIONAL & INLAND What is the required fog signal for a manned vessel being towed at night?
N a. One prolonged followed by one short blast Y b. One prolonged followed by three short blasts N c. One prolonged followed by two short blasts N d. Two prolonged blasts 4485: BOTH INTERNATIONAL & INLAND You are underway in reduced visibility. You hear the fog signal of another vessel about 20° on your starboard bow. Risk of collision may exist. You should __________.
N a. alter course to starboard to pass around the other vessel Y b. reduce your speed to bare steerageway N c. slow your engines and let the other vessel pass ahead of you N d. alter course to port to pass the other vessel on its portside 4588: 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 N b. sound whistle signals only if you change course Y c. sound only fog signals until the other vessel is sighted N d. not sound any whistle signals until the other vessel is sighted 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 4841: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
Y a. restricted in her ability to maneuver N b. in special circumstances N c. not under command N d. constrained by her draft 4855: BOTH INTERNATIONAL & INLAND Under the Rules, any vessel may slacken her speed, stop, or reverse her engines to __________.
N a. create a crossing situation Y b. allow more time to assess the situation N c. attract the attention of another vessel N d. All of the above 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