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.
7: INLAND ONLY When power-driven vessels are crossing, a signal of one short blast by either vessel means __________.
Y a. "I intend to leave you on my port side" N b. "I intend to hold course and speed" N c. "I intend to change course to starboard" N d. "I request a departure from the Rules" 57: INLAND ONLY While underway during the day you sight a small motorboat showing a flashing blue light. The blue light indicates a __________.
Y a. law enforcement boat N b. boat involved in a race N c. Coast Guard Auxiliary Vessel on regatta patrol N d. rescue boat 113: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.
N a. show a flashing yellow light at each corner N b. show a white light at each corner N c. show a red light at the bow and stern Y d. not be required to be lighted 146: INLAND ONLY What characteristic must a light have if used to signal passing intentions?
N a. It must be an all-round white light. N b. It must be an alternating blue and white light. Y c. It must be either an all-round white or an all-round yellow light. N d. It must be an alternating red and yellow light. 149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.
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 197: INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________.
Y a. diamond shape when the length of the tow is 200 meters or less N b. diamond shape when the length of the tow exceeds 200 meters in length N c. black ball N d. black ball only when the length of the tow exceeds 200 meters in length 209: INLAND ONLY A single vessel being towed alongside shall show __________.
N a. one all-round white light N b. sidelights and a stern light N c. only the outboard sidelight and a stern light Y d. a special flashing light, sidelights, and a stern light 363: 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 )
N a. burdened vessel N b. give-way vessel N c. overtaking vessel Y d. None of the above 4009: BOTH INTERNATIONAL & INLAND Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation?
N a. You should maintain course and speed. N b. The container vessel is the stand-on as it is the larger vessel. Y c. You are not to impede the safe passage of the container vessel in the channel. N d. None of the above 4011: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty at night will show sidelights and a stern light __________.
N a. when at anchor N b. only when making way Y c. at any time when underway N d. only when the identifying lights are not being shown 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 4044: BOTH INTERNATIONAL & INLAND You see a vessel's green sidelight bearing due east from you. The vessel might be heading __________.
N a. east (090°) N b. northeast (045°) N c. northwest (315°) Y d. southwest (225°) 4059: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?
N a. A seaplane must show appropriate lights but need not exhibit shapes. N b. A seaplane should exhibit the lights for a vessel constrained by her draft. N c. In situations where a risk of collision exists, a seaplane should always give way. Y d. A seaplane on the water shall, in general, keep well clear of all vessels. 4301: BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?
N a. A vessel is 22 degrees on your port bow, range increasing, bearing changing slightly to the right. N b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right. N c. A vessel is 22 degrees abaft your port beam, range increasing, bearing is constant. Y d. A vessel is on your starboard quarter, range decreasing, bearing is constant. 4368: BOTH INTERNATIONAL & INLAND In a dense fog you hear a whistle signal ahead of one prolonged blast followed by three short blasts. This signal indicates a __________.
N a. fishing vessel underway trawling Y b. manned vessel being towed N c. pilot vessel underway making a special signal N d. vessel not under command 4430: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel engaged in dredging N b. A sailing vessel Y c. A vessel being towed N d. A vessel engaged in fishing 4454: BOTH INTERNATIONAL & INLAND In a crossing situation, a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall, if possible, avoid __________.
Y a. turning to port N b. turning to starboard N c. decreasing speed N d. increasing speed 4518: BOTH INTERNATIONAL & INLAND As defined in the Rules, a towing light is a yellow light having the same characteristics as a(n) __________.
N a. masthead light N b. all-round light N c. sidelight Y d. stern light 4534: BOTH INTERNATIONAL & INLAND A vessel towing where the tow prevents her from changing course shall carry __________.
N a. only the lights for a vessel towing N b. only the lights for a vessel restricted in her ability to maneuver Y c. the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver N d. the lights for a towing vessel and the lights for a vessel not under command 4540: BOTH INTERNATIONAL & INLAND The lights shown are those of a __________. (DIAGRAM 58 )
N a. vessel being towed Y b. power-driven vessel of less than 50 meters in length N c. fishing vessel at anchor N d. sailboat 4555: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing. Which statement is TRUE?
Y a. The fishing vessel is directed not to impede the passage of the sailing vessel. N b. The sailing vessel must keep out of the way of the fishing vessel. N c. Each vessel should move to the edge of the channel on her port side. N d. Each vessel should be displaying signals for a vessel constrained by her draft. 4626: BOTH INTERNATIONAL & INLAND A vessel being towed astern, where the length of the tow exceeds 200 meters, will exhibit __________.
N a. two balls in a vertical line Y b. a diamond shape where it can best be seen N c. a ball on each end of the tow N d. no day-shape 4702: BOTH INTERNATIONAL & INLAND You are heading due east (090°) and observe a vessel's red sidelight on your port beam. The vessel may be heading __________.
N a. northwest (315°) N b. southeast (135°) N c. northeast (045°) Y d. southwest (225°) 4770: 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 N c. not sound any whistle signals until the other vessel is sighted Y d. sound only fog signals until the other vessel is sighted 4820: BOTH INTERNATIONAL & INLAND You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel. You should __________.
N a. cross the channel as you are the stand-on vessel N b. cross only if the vessel in the channel is approaching on your port side Y c. not cross the channel if you might impede the other vessel N d. sound the danger signal 4831: BOTH INTERNATIONAL & INLAND Which craft is a "power-driven vessel" under the Rules of the Road?
N a. An auxiliary sailing vessel, using her engine N b. A canoe propelled by a small outboard motor N c. A trawler on her way to the fishing grounds Y d. All of the above 4848: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.
N a. radio communications that are available N b. maximum speed of your vessel N c. temperature Y d. current 8011: INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, __________.
N a. sidelights and a stern light N b. the lights required for a vessel more than 7 meters in length N c. sidelights only Y d. one all-round white light 8053: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.
N a. a single white light forward Y b. two masthead lights in a vertical line N c. two towing lights in a vertical line N d. two all-round red lights where they can best be seen 8118: INTERNATIONAL ONLY A signal of intent must be sounded in international waters by __________.
N a. a vessel meeting another head-on Y b. a vessel overtaking another in a narrow channel N c. a vessel crossing the course of another N d. the give-way vessel in a crossing situation