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.
47: INLAND ONLY A flashing blue light is used to identify __________.
Y a. law enforcement vessels N b. U.S. submarines N c. air-cushion vessels in the nondisplacement mode N d. dredge pipelines on trestles 87: INLAND ONLY Which statement is TRUE concerning the light used for maneuvering signals?
N a. It must be synchronized with the whistle. N b. It may be white or yellow. N c. It must be an all-round light. Y d. All of the above 90: INLAND ONLY Two vessels are in a starboard to starboard meeting situation and will pass well clear approximately 1/4 mile apart. Which action should each vessel take?
N a. Sound a one blast whistle signal and turn to starboard. N b. Maintain course and sound no signal. Y c. Sound a two blast whistle signal and maintain course. N d. Sound a three blast whistle signal and turn to port. 93: INLAND ONLY While underway in a harbor you hear a vessel sound a prolonged blast. This signal indicates that this vessel __________.
N a. desires to overtake your vessel N b. is at anchor N c. is backing her engines Y d. is moving from a dock 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 297: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
Y a. tug and a barge being towed astern N b. vessel constrained by her draft N c. vessel in the nondisplacement mode N d. vessel not under command 302: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a vessel __________. (DIAGRAM 79 )
N a. engaged in fishing N b. dredging N c. engaged in launching or recovery of aircraft Y d. towing astern 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 343: 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 leave you on my starboard side" Y b. "I intend to leave you on my port side" N c. "I am altering my course to starboard" N d. None of the above 4002: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.
N a. sailboat underway N b. vessel underway, towing Y c. power-driven vessel underway, making way N d. vessel being towed 4008: BOTH INTERNATIONAL & INLAND If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?
N a. At any time you feel it is appropriate N b. Only when you have reached extremis N c. When you determine that your present course will cross ahead of the other vessel Y d. When it becomes apparent to you that the give-way vessel is not taking appropriate action 4040: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown indicates a vessel with a tow exceeding 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. D 4111: BOTH INTERNATIONAL & INLAND A 50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?
N a. Two masthead lights forward, a stern light, and a towing light above the stern light Y b. A masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light N c. No masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light N d. Three masthead lights forward, one masthead light aft, and two towing lights in a vertical line at the stern 4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.
N a. three black balls in a vertical line N b. two red balls in a vertical line N c. a black cylinder Y d. a rigid replica of the International Code flag "A" 4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a barge being towed astern at night?
N a. A white light at each corner N b. A white light fore and aft Y c. Sidelights and a stern light N d. A stern light only 4211: BOTH INTERNATIONAL & INLAND In order for a stand-on vessel to take action in a situation, she must determine that the other vessel __________.
N a. is restricted in her ability to maneuver N b. has sounded the danger signal Y c. is not taking appropriate action N d. has not changed course since risk of collision was determined 4256: BOTH INTERNATIONAL & INLAND Traffic separation schemes established by the International Maritime Organization __________.
Y a. provide inbound and outbound lanes to promote the safe flow of vessel traffic N b. provide vessel reporting systems to assist in search and rescue in the event of a vessel casualty N c. provide routing and vessel scheduling procedures to reduce shipping delays N d. prohibit vessels carrying hazardous cargos from entering waters that are environmentally sensitive 4332: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. You may hold your course and speed until __________.
N a. the other vessel takes necessary action N b. the other vessel gets to within half a mile of your vessel Y c. action by the give-way vessel alone will not prevent collision N d. the other vessel gets to within a quarter mile of your vessel 4381: BOTH INTERNATIONAL & INLAND A vessel that is defined as "restricted in her ability to maneuver" is unable to keep out of the way of another vessel due to __________.
N a. her draft Y b. the nature of her work N c. some exceptional circumstances N d. a danger of navigation 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 4462: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.
N a. vessel being towed N b. fishing vessel trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 4464: BOTH INTERNATIONAL & INLAND A vessel not under command, underway but not making way, would show __________.
Y a. two all-round red lights in a vertical line N b. sidelights N c. a stern light N d. All of the above 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 4542: BOTH INTERNATIONAL & INLAND A vessel is towing and carrying the required lights on the masthead. What is the visibility arc of these lights?
N a. 112.5° N b. 135.0° Y c. 225.0° N d. 360.0° 4559: BOTH INTERNATIONAL & INLAND A vessel aground at night is required to show two red lights in a vertical line as well as __________.
N a. not under command lights N b. restricted in her ability to maneuver lights Y c. anchor lights N d. sidelights and a stern light 4665: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
Y a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only N d. A bell and a whistle 4718: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. fishing at anchor Y b. dredging while underway N c. transferring dangerous cargo at a berth N d. restricted in her ability to maneuver, underway but not making way 6550: BOTH INTERNATIONAL & INLAND In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so __________.
Y a. at as small an angle as possible N b. as nearly as practical at right angles to the general direction of traffic flow N c. only in case of an emergency or to engage in fishing within the zone N d. never 8001: INTERNATIONAL ONLY In addition to other required lights, a power-driven vessel pushing ahead or towing alongside displays __________.
N a. two all-round red lights in a vertical line N b. two yellow towing lights in a vertical line Y c. two white masthead lights in a vertical line N d. two lights on the stern, one yellow and one white 8064: INTERNATIONAL ONLY You are underway in fog and hear a fog signal consisting of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.
N a. engaged in mineclearance N b. engaged in fishing N c. constrained by her draft Y d. being towed