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.
165: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. SE N b. NE N c. SW Y d. NW 329: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. red sidelight N c. stern light Y d. None of the above 333: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight Y c. green sidelight N d. stern light 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 383: INLAND ONLY You are meeting "head on" a tug towing a barge alongside about a mile away. In addition to the white masthead lights which other lights do you see on the tug and tow combined?
N a. One green and one red sidelight on the outside of the unit N b. One green and one red sidelight and a special flashing light N c. Only the green and red sidelights marking each vessel Y d. The green and red sidelights marking each vessel and a special flashing light 394: 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 Y c. sailing vessel N d. power-driven vessel 3683: BOTH INTERNATIONAL & INLAND The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that __________.
N a. risk of collision exists N b. the other vessel will cross ahead of her N c. the other vessel is not taking appropriate action Y d. collision cannot be avoided by the give-way vessel's maneuver alone 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 4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when __________.
N a. she can be observed by radar Y b. she can be observed visually from the other vessel N c. she can be plotted on radar well enough to determine her heading N d. her fog signal can be heard 4155: BOTH INTERNATIONAL & INLAND A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the __________.
N a. towing vessel is less than 50 meters N b. towing vessel is greater than 50 meters N c. tow is less than 200 meters Y d. tow is greater than 200 meters 4168: BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.
N a. 10 minutes Y b. 1 minute N c. 1 hour N d. 3 minutes 4192: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel fishing with nets shall sound at intervals of two minutes __________.
N a. one prolonged blast Y b. one prolonged followed by two short blasts N c. one prolonged followed by three short blasts N d. two prolonged blasts in succession 4231: BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would be required to show __________.
N a. sidelights, stern light, and a red light over a green light on the mast Y b. sidelights, and stern light, but they may be in a combined lantern on the mast N c. separate sidelights and stern light N d. sidelights only 4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel displaying the lights shown is __________. (DIAGRAM 62 )
N a. engaged in fishing N b. mine sweeping N c. a pilot boat Y d. under sail 4254: BOTH INTERNATIONAL & INLAND You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must __________.
N a. stop your engines N b. sound two prolonged blasts of the whistle N c. sound the danger signal Y d. slow to bare steerageway 4296: BOTH INTERNATIONAL & INLAND Which power-driven vessel is NOT required to carry a light in the position of the after masthead light?
N a. A pushing vessel and a vessel being pushed, in a composite unit and 100 meters in length N b. A vessel of 60 meters in length towing astern Y c. A vessel of 45 meters in length trolling N d. Any vessel constrained by her draft 4318: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
N a. Flames on a vessel Y b. Vertical motion of a white lantern at night N c. Code flags "November" and "Charlie" N d. Dye marker on the water 4320: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
N a. A vessel of less than 20 meters in length N b. A vessel sailing N c. A vessel fishing Y d. All of the above 4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?
N a. The vessel which has the other on her own port side shall keep out of the way. Y b. If the stand-on vessel takes action, she shall avoid changing course to port. N c. If the give-way vessel takes action, she shall avoid changing course to starboard. N d. The give-way vessel should keep the other vessel to her starboard. 4362: BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a __________.
N a. power-driven vessel underway Y b. vessel not under command N c. vessel sailing N d. vessel engaged on pilotage duty 4521: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, all of the following are engaged in fishing EXCEPT a vessel __________.
N a. setting nets N b. trawling N c. using a dredge net Y d. trolling 4527: BOTH INTERNATIONAL & INLAND You are fishing at night, and you sight a vessel showing three lights in a vertical line. The upper and lower lights are red and the middle light is white. Which statement is TRUE?
Y a. You must keep out of the way of the other vessel. N b. The other vessel is responsible to keep out of your way. N c. The other vessel is at anchor. N d. The rule of special circumstances applies. 4603: BOTH INTERNATIONAL & INLAND In addition to sidelights what light should a vessel being towed astern show?
Y a. A stern light N b. A masthead light N c. Not under command lights N d. Range lights 4644: BOTH INTERNATIONAL & INLAND A vessel engaged in trawling will show identification lights of __________.
N a. a red light over a white light N b. a white light over a red light Y c. a green light over a white light N d. two red lights in a vertical line 4678: BOTH INTERNATIONAL & INLAND Which is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?
Y a. Intermittent flashing amber (yellow) beacon for submarines N b. Green masthead and yardarm lights indicating mine clearance operations N c. Red-white-red lights in a vertical line for a carrier, launching aircraft N d. Yellow flares indicating torpedo firing exercises 4685: BOTH INTERNATIONAL & INLAND What does the word "breadth" mean?
Y a. Greatest breadth N b. Molded breadth N c. Breadth on the main deck N d. Breadth at the load waterline 4836: BOTH INTERNATIONAL & INLAND Which vessel is, by definition, unable to keep out of the way of another vessel?
N a. Vessel engaged in fishing N b. Vessel not making way N c. Vessel sailing Y d. Vessel restricted in her ability to maneuver 4873: BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel __________.
N a. not under command N b. restricted in her ability to maneuver Y c. engaged in towing N d. fishing 8047: INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.
N a. intends to alter course to starboard N b. intends to pass starboard to starboard Y c. is altering course to starboard N d. intends to pass port to port 8062: INTERNATIONAL ONLY If you sighted three red lights in a vertical line on another vessel at night, it would be a vessel __________.
N a. aground Y b. constrained by her draft N c. dredging N d. moored over a wreck