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.
99: INLAND ONLY A power-driven vessel when pushing ahead or towing alongside on the Western Rivers (above the Huey P. Long Bridge on the Mississippi River) shall exhibit __________.
N a. two masthead lights, sidelights, and stern light N b. two masthead lights, sidelights, and two towing lights Y c. sidelights and two towing lights N d. one masthead light, sidelights, and stern light 152: BOTH INTERNATIONAL & INLAND The vessel showing the day signal is __________. (DIAGRAM 22 )
N a. A vessel engaged in mine clearance operations N b. A fishing vessel with gear extending more than 150 meters horizontally N c. A trawler shooting nets in the direction indicated Y d. A tug with a tow exceeding 200 meters unable to deviate from course 179: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a dredge underway and not dredging? (DIAGRAM 72 )
N a. A Y b. B N c. C N d. D 195: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a vessel __________. (DIAGRAM 78 )
N a. restricted in her ability to maneuver N b. engaged in fishing and making way Y c. on pilotage duty and underway N d. not under command 299: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )
Y a. vessel towing astern N b. vessel restricted in her ability to maneuver N c. vessel not under command N d. vessel aground 369: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )
N a. stand-on vessel N b. overtaking vessel Y c. give-way vessel N d. None of the above 378: 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 am altering my course to starboard" Y b. "I intend to leave you on my port side" N c. "I intend to overtake you on your port side" N d. "I am operating astern propulsion" 379: BOTH INTERNATIONAL & INLAND A seagoing tug has a tow greater than 200 meters as shown and is severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )
Y a. Three white masthead lights, red-white-red all-round lights, sidelights, stern light and a towing light N b. Three white masthead lights, red-white-red all-round lights, sidelights and two towing lights N c. Three white masthead lights, two all-round red lights, sidelights, stern light and a towing light N d. None of the above 402: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.
N a. sailboat making way N b. power-driven vessel making way, towing Y c. power-driven vessel making way N d. vessel being towed 4045: BOTH INTERNATIONAL & INLAND A vessel shall be deemed to be overtaking when she can see at night __________.
Y a. only the stern light of the vessel N b. a sidelight and one masthead light of the vessel N c. only a sidelight of the vessel N d. any lights except the masthead lights of the vessel 4108: BOTH INTERNATIONAL & INLAND At specified intervals, a vessel towing in fog shall sound __________.
N a. one prolonged blast N b. two prolonged blasts Y c. one prolonged and two short blasts in succession N d. one prolonged and three short blasts in succession 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" 4150: BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?
N a. One Y b. Two N c. Three N d. Four 4346: BOTH INTERNATIONAL & INLAND A vessel being towed at night must show __________.
N a. a white all-round light, only Y b. sidelights and a stern light N c. a flashing yellow light, only N d. forward and after masthead lights 4360: BOTH INTERNATIONAL & INLAND While underway, you see a vessel displaying the day-shapes shown. Which action should you take? (DIAGRAM 6 )
N a. Maintain course and speed N b. Provide assistance, the other vessel is in distress Y c. Stay clear, the other vessel is maneuvering with difficulty N d. Stop your vessel and sound passing signals 4365: BOTH INTERNATIONAL & INLAND An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show?
Y a. Three lights in a vertical line, the highest and lowest red and the middle white, and anchor lights N b. Three lights in a vertical line, the highest and lowest red and the middle white, ONLY N c. Anchor lights ONLY N d. Anchor lights and sidelights ONLY 4395: BOTH INTERNATIONAL & INLAND The lights displayed indicate a __________. (DIAGRAM 73 )
N a. fishing vessel trolling N b. vessel laying submarine cable Y c. vessel towing astern N d. vessel dredging 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 4517: BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway?
N a. A 200-meter sailing vessel Y b. A 50-meter power-driven vessel N c. A 100-meter vessel engaged in fishing N d. All of the above 4561: BOTH INTERNATIONAL & INLAND Your vessel is aground in fog. In addition to the regular anchor signals, you will be sounding __________.
N a. three strokes of the gong before and after the rapid ringing of the gong N b. a blast on the whistle Y c. three strokes of the bell before and after the rapid ringing of the bell N d. no additional signals 4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.
N a. vessel being towed N b. fishing vessel engaged in trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 4663: BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for bell & gong signals?
N a. A vessel of less than 12 meters in length need not have any sound signaling equipment. Y b. Manual sounding of the signals must always be possible. N c. Any vessel over 12 meters in length must be provided with a gong. N d. Signals must be able to be sounded manually and automatically. 4668: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds three short blasts on the whistle. This signal means that vessel "A" __________. (DIAGRAM 42 )
N a. intends to hold course and speed N b. is uncertain about the actions of "B" N c. proposes to cross ahead of the other vessel Y d. is backing engines 4680: BOTH INTERNATIONAL & INLAND Day-shapes must be displayed __________.
N a. between sunset and sunrise N b. only between 8 AM and 4 PM Y c. during daylight hours in any visibility N d. during daylight hours in unrestricted visibility only 4724: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 65 )
N a. trawling N b. not under command Y c. anchored N d. drifting 4734: BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.
N a. white lights are not used N b. red and green lights are not used Y c. the signal cannot be mistaken for a signal authorized by the Rules N d. the vessel signals such intentions over the radiotelephone 4866: BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?
N a. The one with the wind closest abeam Y b. The one to windward N c. The one to leeward N d. The one that sounds the first whistle signal 8105: INTERNATIONAL ONLY Your vessel is crossing a narrow channel. A vessel to port is within the channel and crossing your course. She is showing a black cylinder. You should __________.
N a. hold your course and speed Y b. not impede the other vessel N c. exchange passing signals N d. sound the danger signal 8116: INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?
N a. A vessel not under command Y b. A sailing vessel N c. A vessel restricted in her ability to maneuver N d. All of the above