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.
32: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
N a. proceed to overtake her without sounding whistle signals Y b. attempt to contact her on the radiotelephone to arrange for the passage N c. sound four short blasts N d. Any of the above 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 119: INLAND ONLY What MAY be used to indicate the presence of a partly submerged object being towed?
N a. A black cone, apex upward N b. Two all-round yellow lights at each end of the tow Y c. The beam of a search light from the towing vessel shown in the direction of the tow N d. All of the above 141: INLAND ONLY You are the stand-on vessel in an overtaking situation. The other vessel is showing an alternately flashing red-and-yellow light. What action should you take?
N a. Alter course to assist N b. Give-way Y c. Stand on N d. Heave to 252: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which action should the vessels take? (DIAGRAM 41 )
Y a. The vessels should continue on course and pass without sounding any whistle signals. N b. The vessels should exchange two blast whistle signals and pass starboard to starboard. N c. The vessels should exchange one blast whistle signals and pass starboard to starboard. N d. The vessel with the tow should initiate the whistle signals. 260: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
Y a. search and rescue N b. restricted in ability to maneuver N c. not under command N d. river bank protection 283: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
N a. seaplane N b. minesweeper Y c. dredge pipeline N d. vessel not under command 315: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
Y a. fishing N b. sailing N c. a pilot boat N d. anchored 365: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
Y a. stand-on vessel N b. give-way vessel N c. overtaking vessel N d. None of the above 377: 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 Y b. SE N c. SW N d. NW 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 4082: BOTH INTERNATIONAL & INLAND Which vessel must exhibit three white masthead lights in a vertical line?
N a. Any vessel towing astern Y b. A vessel whose tow exceeds 200 meters astern N c. A vessel not under command, at anchor N d. A vessel being towed 4095: BOTH INTERNATIONAL & INLAND When underway in a channel, you should keep to the __________.
N a. middle of the channel Y b. starboard side of the channel N c. port side of the channel N d. side of the channel that has the widest turns 4175: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 57 )
Y a. restricted in her ability to maneuver and not making way N b. engaged in fishing and not making way N c. a pilot vessel underway and making way on pilotage duty N d. towing and making way 4201: BOTH INTERNATIONAL & INLAND A power-driven vessel towing astern shall show __________.
N a. two towing lights in a vertical line Y b. a towing light in a vertical line above the stern light N c. two towing lights in addition to the stern light N d. a small white light in lieu of the stern light 4236: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this indicates a __________.
N a. vessel not under command N b. sailing vessel N c. vessel in distress Y d. vessel being towed 4239: BOTH INTERNATIONAL & INLAND You are on a vessel nearing a bend in the channel where, because of the height of the bank, you cannot see a vessel approaching from the opposite direction. You should sound __________.
N a. one short blast Y b. one prolonged blast N c. one long blast N d. five or more short blasts 4278: BOTH INTERNATIONAL & INLAND A light signal consisting of three flashes means __________.
N a. "I am in doubt as to your actions" N b. "My engines are full speed astern" N c. "I desire to overtake you" Y d. "I am operating astern propulsion" 4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?
Y a. A diamond N b. A cone N c. One black ball N d. Two black balls in a vertical line 4431: BOTH INTERNATIONAL & INLAND A vessel 50 meters in length at anchor must sound which fog signal?
Y a. 5-second ringing of a bell every minute N b. 5-second ringing of a bell every two minutes N c. 5-second sounding of a gong every minute N d. 5-second sounding of both a bell and gong every two minutes 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 4546: BOTH INTERNATIONAL & INLAND Which vessel may use the danger signal?
N a. The vessel to starboard when two power-driven vessels are crossing N b. A vessel engaged in fishing, crossing the course of a sailing vessel N c. Either of two power-driven vessels meeting head-on Y d. All of the above 4594: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include __________.
Y a. state of wind, sea, and current, and the proximity of navigational hazards N b. maximum attainable speed of your vessel N c. temperature N d. aids to navigation that are available 4651: BOTH INTERNATIONAL & INLAND Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?
N a. The vessel which has the other on her own starboard side N b. The vessel which has the other on her own port side N c. The one which hears the other's fog signal first Y d. Neither vessel is the stand-on vessel. 4677: BOTH INTERNATIONAL & INLAND You are on vessel "A", as shown and hear vessel "B" sound a signal indicating his intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________. (DIAGRAM 32 )
N a. sound two short blasts Y b. sound five or more short and rapid blasts N c. not answer the whistle signal from vessel "B" N d. sound three blasts of the whistle 4683: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
N a. 135.0° N b. 112.5° Y c. 67.5° N d. 22.5° 4683: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
N a. 135.0° N b. 112.5° Y c. 67.5° N d. 22.5° 4717: BOTH INTERNATIONAL & INLAND A sailing vessel underway at night MAY show __________.
N a. a green light over a red light N b. a red light over a white light N c. two white lights at the stern Y d. None of the above 8030: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.
N a. engaged in towing N b. constrained by her draft N c. under sail Y d. All of the above 8136: INTERNATIONAL ONLY A power-driven vessel pushing ahead or towing alongside will show sidelights, a stern light, and __________.
N a. an all-round red light where it can best be seen N b. two yellow masthead lights in a vertical line Y c. two masthead lights in a vertical line N d. a single white light forward