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.
4: INLAND ONLY A vessel proceeding downstream in a narrow channel on the Western Rivers sights another vessel moving upstream. Which vessel has the right of way?
N a. The vessel moving upstream against the current Y b. The vessel moving downstream with a following current N c. The vessel located more towards the channel centerline N d. The vessel sounding the first whistle signal 66: INLAND ONLY A towing vessel pushing ahead on the Western Rivers above the Huey P. Long bridge must show __________.
N a. sidelights only Y b. sidelights and towing lights N c. sidelights, towing lights, and two masthead lights N d. sidelights, towing lights, and three masthead lights 78: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of a one short blast signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." N c. "I intend to leave you on my starboard side." Y d. "I intend to leave you on my port side." 94: INLAND ONLY You are overtaking another power-driven vessel and sound a whistle signal indicating that you intend to pass the vessel along her starboard side. If the other vessel answers your signal with five short and rapid blasts, you should __________.
Y a. not overtake the other vessel until both vessels exchange the same passing signal N b. not overtake the other vessel until she sounds another five short and rapid blast signal N c. pass the other vessel along her starboard side N d. sound five short and rapid blasts and pass along her starboard side 132: INLAND ONLY Which statement is TRUE of a power-driven vessel proceeding downbound with the current, when meeting an upbound vessel on the Western Rivers?
N a. She shall not impede the upbound vessel. N b. She shall pass on the port side of the other. Y c. She shall propose the manner of passage. N d. All of the above 163: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
N a. flashing yellow light N b. flashing blue light N c. alternately flashing blue and red light Y d. alternately flashing red and yellow light 174: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They could indicate a vessel __________. (DIAGRAM 71 )
N a. under sail and power N b. dredging while underway N c. fishing with nets extending more than 150 meters Y d. power-driven and approaching head-on 4026: BOTH INTERNATIONAL & INLAND Which is a distress signal?
N a. Firing of green star shells N b. Sounding 5 short blasts on the whistle N c. Answering a one blast whistle signal with two blasts Y d. A flaming barrel of oil on deck 4061: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing as shown. Which statement is TRUE? (DIAGRAM 26 )
N a. The vessels should pass starboard to starboard. N b. Vessel "B" should pass under the stern of vessel "A". N c. Vessel "B" should alter course to the right. Y d. Vessel "A" must keep clear of vessel "B". 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 4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4166: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.
N a. three masthead lights in a vertical line instead of either the forward or after masthead light Y b. two masthead lights in a vertical line instead of either the forward or after masthead lights N c. two towing lights in a vertical line at the stern N d. a small white light aft of the funnel 4223: BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
Y a. A vessel engaged in diving operations N b. A pilot vessel N c. A vessel trawling N d. All of the above 4251: BOTH INTERNATIONAL & INLAND At night, if you see a vessel ahead displaying the lights shown you should __________. (DIAGRAM 70 )
N a. provide assistance as the vessel is in distress N b. stay clear as the vessel is transferring dangerous cargo Y c. stay clear as the vessel is fishing N d. change course to the right as the vessel is crossing your bow 4276: BOTH INTERNATIONAL & INLAND While underway your vessel enters fog. You stop your engines and the vessel is dead in the water. Which fog signal should you sound?
N a. One prolonged blast every two minutes Y b. Two prolonged blasts every two minutes N c. Three short blasts every two minutes N d. One prolonged and three short blasts every two minutes 4380: BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured shall sound __________.
N a. one short blast N b. one long blast N c. two short blasts Y d. one prolonged blast 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 4397: BOTH INTERNATIONAL & INLAND In a crossing situation, a vessel fishing must keep out of the way of a vessel which is __________.
N a. under sail N b. towing Y c. restricted in her ability to maneuver N d. engaged in pilotage duty 4422: BOTH INTERNATIONAL & INLAND Each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way, is __________.
N a. about one second N b. two to four seconds Y c. four to six seconds N d. eight to ten seconds 4444: BOTH INTERNATIONAL & INLAND Which vessel must exhibit a conical shape, apex downwards?
N a. A 10-meter vessel engaged in fishing Y b. A 15-meter vessel proceeding under sail when also being propelled by machinery N c. A 20-meter vessel restricted in her ability to maneuver N d. All of the above 4476: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying one green light. This light could indicate a __________.
N a. vessel drifting N b. vessel at anchor N c. small motorboat underway Y d. sailboat underway 4514: 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. north (000°) N c. southeast (135°) Y d. southwest (225°) 4549: BOTH INTERNATIONAL & INLAND Two sailing vessels are approaching each other as shown. Which statement is correct? (DIAGRAM 3 )
N a. Vessel "I" should stand on because she has the wind on her port side. Y b. Vessel "II" should stand on because she has the wind on her starboard side. N c. Neither vessel is the stand-on vessel because they are meeting head-on. N d. Vessel "I" should stand on because she is close-hauled. 4583: BOTH INTERNATIONAL & INLAND An anchor ball need NOT be exhibited by an anchored vessel if she is __________.
N a. under 50 meters in length, and anchored in an anchorage N b. over 150 meters in length N c. rigged for sail Y d. less than 7 meters in length, and not in or near an area where other vessels normally navigate 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 4709: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. aground Y b. underway N c. at anchor N d. transferring dangerous cargo 4780: BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.
Y a. the danger signal N b. two short blasts, alter to port, and pass astern N c. no signal and maneuver at will N d. one short blast and maintain course 4818: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.
N a. instead of the masthead lights Y b. which mean that other vessels should not approach within 1000 meters N c. that are 225° green lights N d. All of the above 8070: INTERNATIONAL ONLY In addition to her running lights, an underway vessel constrained by her draft may carry in a vertical line __________.
N a. a red light, a white light, and a red light N b. two red lights N c. two white lights Y d. three red lights 8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?
N a. A black diamond Y b. A cylinder N c. A black ball N d. A black cone, apex upward