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.
2: INLAND ONLY What is the required whistle signal for a power-driven vessel leaving a dock or berth?
N a. One short blast Y b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 16: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.
N a. the Western Rivers N b. the Great Lakes on the United States side of the International Boundary N c. harbors and rivers shoreward of the COLREGS demarcation lines Y d. All of the above 89: INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You __________.
N a. may sound the danger signal Y b. must sound the danger signal N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down 92: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, below the Huey P. Long Bridge, shall carry __________.
N a. two masthead lights, sidelights and stern light Y b. two masthead lights, sidelights and two towing lights N c. sidelights and two towing lights N d. one masthead light, sidelights and stern light 175: BOTH INTERNATIONAL & INLAND You see the display of lights shown. They indicate a vessel __________. (DIAGRAM 71 )
N a. trawling Y b. approaching head-on N c. fishing with nets extending more than 150 meters N d. dredging 204: INTERNATIONAL ONLY Vessels "A" and "B" are in a crossing situation on the high seas as shown. Vessel "B" sounds one short blast. What is the proper action for vessel "A" to take? (DIAGRAM 14 )
N a. Answer with one blast and hold course and speed Y b. Hold course and speed N c. Answer with one blast and keep clear of vessel "B" N d. Sound danger signal 298: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a(n) __________. (DIAGRAM 79 )
N a. vessel constrained by her draft N b. law enforcement vessel N c. vessel not under command Y d. vessel towing astern 364: 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 Y c. stand-on vessel N d. overtaking vessel 392: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. law enforcement vessel N b. vessel on pilotage duty N c. vessel engaged in fishing Y d. sailing vessel 727: INLAND ONLY Maneuvering signals shall be sounded on inland waters by __________.
N a. all vessels when meeting, crossing, or overtaking and in sight of one another N b. all vessels meeting or crossing at a distance within half a mile of each other and not in sight of one another Y c. power-driven vessels overtaking and in sight of one another N d. power-driven vessels crossing at a distance within half a mile of each other and NOT in sight of one another 4036: BOTH INTERNATIONAL & INLAND You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. initiate an exchange of passing signals N c. sound the danger signal N d. hold your course and speed 4115: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?
N a. A bell only N b. A whistle only Y c. A bell and a whistle N d. Any means of making an efficient sound signal 4152: BOTH INTERNATIONAL & INLAND A power-driven vessel with a 150-meter stern tow shall display __________.
N a. three masthead lights in a vertical line Y b. a towing light above the stern light N c. two towing lights in a vertical line N d. a red light over a white light at the masthead 4171: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing, and at anchor, shall show __________.
N a. an anchor light N b. sidelights and a stern light N c. three lights in a vertical line, the highest and lowest being red, and the middle being white Y d. None of the above 4194: BOTH INTERNATIONAL & INLAND At night, you are towing a partly submerged vessel, 20 meters in length and 4 meters in breadth. What lights must you display on the towed vessel?
N a. A white light at the stern N b. Two white lights side by side at the stern Y c. A white light at the forward end and a white light at the after end N d. Two red lights in a vertical line at the after end 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 4221: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds which fog signal?
N a. Two short blasts every one minute N b. One short blast every one minute N c. Two prolonged blasts every two minutes Y d. One prolonged blast every two minutes 4280: BOTH INTERNATIONAL & INLAND Vessels I and II are underway as shown. Vessel I is a sailing vessel with the wind dead aft. Vessel II is a power-driven vessel trawling. Which statement is TRUE? (DIAGRAM 33 )
Y a. Vessel I is to keep clear because the other vessel is fishing. N b. Vessel II is to keep clear because she is a power-driven vessel. N c. Vessel II is to keep clear because the other vessel is to its starboard. N d. Both vessels are to take action to stay clear of each other. 4343: BOTH INTERNATIONAL & INLAND Risk of collision may exist __________.
N a. if the compass bearing of an approaching vessel does NOT appreciably change N b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range N c. if you observe both sidelights of a vessel ahead for an extended period of time Y d. All of the above 4356: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing underway sounds the same fog signal as a __________.
N a. power-driven vessel stopped and making no way through the water N b. vessel being towed Y c. vessel restricted in her ability to maneuver at anchor N d. sailing vessel at anchor 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 4436: BOTH INTERNATIONAL & INLAND A white masthead light shows through an arc of how many degrees?
N a. 90° N b. 112.5° Y c. 225° N d. 360° 4481: BOTH INTERNATIONAL & INLAND While underway in fog, you hear the rapid ringing of a bell for about five seconds followed by the sounding of a gong for about five seconds. This signal came from a __________.
N a. vessel engaged in fishing at anchor N b. sailing vessel at anchor Y c. vessel 150 meters in length at anchor N d. vessel aground 4542: BOTH INTERNATIONAL & INLAND A vessel is towing and carrying the required lights on the masthead. What is the visibility arc of these lights?
N a. 112.5° N b. 135.0° Y c. 225.0° N d. 360.0° 4585: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. What lights would you expect to see?
N a. Red and green sidelights N b. Two white lights N c. One white light and red and green sidelights Y d. One white light 4673: BOTH INTERNATIONAL & INLAND Which vessel may sound the danger signal?
N a. Either vessel in a meeting situation N b. The give-way vessel in a crossing situation N c. A vessel at anchor Y d. All of the above 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° 4826: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.
Y a. you do so to avoid immediate danger N b. no vessels are visible on radar N c. you are in a close quarters situation N d. out of sight of land 8074: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which would be sounded by a vessel __________.
Y a. overtaking another in a narrow channel N b. anchored N c. engaged in mineclearance N d. engaged in fishing 8115: 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 pushing a barge N d. A vessel engaged in fishing