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.
54: INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?
N a. 1 Y b. 2 N c. 3 N d. None 151: BOTH INTERNATIONAL & INLAND Which vessel is indicated by the day signal shown? (DIAGRAM 22 )
N a. A dredge indicating the side with the obstruction N b. A fishing vessel with gear extending more than 150 meters horizontally Y c. A tug with a tow exceeding 200 meters which limits her ability to maneuver N d. A vessel engaged in underwater operations with a diver down 207: INLAND ONLY What lights are required for a single barge being towed alongside?
N a. Sidelights and a stern light Y b. Sidelights, a special flashing light, and a stern light N c. Sidelights and a special flashing light N d. Sidelights, a towing light, and a stern light 253: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light(s) on the tug & barge will you see, if you are on vessel "A"? (DIAGRAM 41 )
N a. a special flashing light N b. two white masthead lights in a vertical line N c. green sidelights Y d. All of the above 4096: BOTH INTERNATIONAL & INLAND While underway, in fog, you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel __________.
Y a. not under command N b. being towed N c. on pilotage duty N d. aground 4123: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged blast followed by two short blasts on the whistle. What does this signal indicate?
Y a. A vessel towing N b. A vessel engaged in pilotage duty N c. A vessel being towed N d. A vessel aground 4228: BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?
N a. When the two vessels are less than half a mile from each other. Y b. When the give-way vessel is not taking appropriate action to avoid collision. N c. When collision is imminent. N d. The stand-on vessel is never allowed to take action. 4233: BOTH INTERNATIONAL & INLAND While underway in fog, you hear the fog signal of another vessel ahead. If a risk of collision exists, you must __________.
Y a. slow to bare steerageway and navigate with caution N b. sound three short blasts and back your engines N c. stop your engines and navigate with caution N d. continue on your course and speed until the other vessel is sighted 4249: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?
Y a. She must use this equipment to obtain early warning of risk of collision. N b. The use of a radar excuses a vessel from the need of a look-out. N c. The radar equipment is only required to be used in restricted visibility. N d. The safe speed of such a vessel will likely be greater than that of vessels without radar. 4295: BOTH INTERNATIONAL & INLAND The use of the danger signal __________.
N a. replaces directional signals N b. makes the other vessel the stand-on vessel Y c. indicates doubt as to another vessels actions N d. is the same as a "MAYDAY" signal 4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 82 )
N a. sailing Y b. fishing N c. a pilot boat N d. anchored 4348: BOTH INTERNATIONAL & INLAND You are on vessel "A" pushing a barge ahead and meeting vessel "B" as shown. How should the vessels pass? (DIAGRAM 12 )
Y a. Both vessels must alter course to starboard and pass port to port. N b. Both vessels must alter course to port and pass starboard to starboard. N c. Vessel "A" should maintain course and vessel "B" alter course. N d. The vessels should determine which will alter course by sounding whistle 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 4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.
N a. two black balls in a vertical line N b. three black balls in a vertical line N c. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond Y d. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond 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 4494: BOTH INTERNATIONAL & INLAND An anchored vessel on pilotage duty must show which light(s) at night?
N a. A stern light only N b. Anchor lights only N c. A white light over a red light only Y d. A white light over a red light and anchor lights 4504: BOTH INTERNATIONAL & INLAND While underway in a narrow channel, a vessel should stay __________.
N a. in the middle of the channel Y b. to the starboard side of the channel N c. to the port side of the channel N d. to the side of the channel that has the widest bends 4528: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel not under command N b. A sailing vessel, underway N c. A vessel restricted in her ability to maneuver when carrying out her work at anchor Y d. All of the above 4556: BOTH INTERNATIONAL & INLAND Day-shapes MUST be shown __________.
Y a. during daylight hours N b. during daylight hours except in restricted visibility N c. ONLY between 8 AM and 4 PM daily N d. between sunset and sunrise 4642: BOTH INTERNATIONAL & INLAND By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should __________.
N a. turn to port Y b. turn to starboard N c. maintain course and speed and sound the danger signal N d. maintain course and speed and sound no signal 4720: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. towing a barge alongside N b. at anchor and dredging Y c. underway and engaged in surveying operations N d. not under command and making way 4856: BOTH INTERNATIONAL & INLAND When in sight of another vessel and there is sufficient sea room, any action taken to avoid collision must __________.
N a. be accompanied by sound signals Y b. not result in another close quarters situation N c. include a speed change N d. All of the above 4874: BOTH INTERNATIONAL & INLAND What would be a "special circumstance" under the Rules?
N a. Vessel at anchor N b. Two vessels meeting N c. Speed in fog Y d. More than two vessels crossing 8024: INTERNATIONAL ONLY Which signal is required to be sounded by a power-driven vessel ONLY?
Y a. A signal meaning, "I am altering my course to starboard." N b. A signal meaning, "I intend to overtake you on your starboard side." N c. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions. N d. A signal sounded when approaching a bend. 8040: INTERNATIONAL ONLY Which vessel may NOT exhibit two red lights in a vertical line?
Y a. A vessel constrained by her draft N b. A trawler fishing in close proximity to other trawlers N c. A vessel aground N d. A dredge 8042: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?
N a. A vessel constrained by her draft N b. A vessel restricted in her ability to maneuver Y c. A vessel on pilotage duty N d. A vessel engaged in fishing 8077: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters and will pass without changing course. Vessel "A" should __________.
N a. sound two prolonged blasts followed by two short blasts N b. sound the danger signal Y c. not sound any whistle signals N d. sound one long blast 8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.
N a. two towing lights in a vertical line N b. a towing light above the stern light N c. two all-round red lights at the masthead Y d. two masthead lights in a vertical line 8113: INTERNATIONAL ONLY You are approaching another vessel and will pass safely starboard to starboard without changing course. You should __________.
Y a. hold course and sound no whistle signal N b. hold course and sound a two blast whistle signal N c. change course to starboard and sound one blast N d. hold course and sound one blast 8135: INTERNATIONAL ONLY What characteristic must a light used to indicate passing intentions have?
N a. It must be an all-round red light. Y b. It must be an all-round white light. N c. It must be an all-round yellow light. N d. It can be either an all-round white or yellow light.