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 141: INLAND ONLY You are the stand-on vessel in an overtaking situation. The other vessel is showing an alternately flashing red-and-yellow light. What action should you take?
N a. Alter course to assist N b. Give-way Y c. Stand on N d. Heave to 156: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a(n) _________________________ (DIAGRAM 47 )
N a. vessel towing astern Y b. sailing vessel N c. submarine operating on the surface N d. vessel pushing a barge ahead 189: BOTH INTERNATIONAL & INLAND You are on vessel "A" towing a barge alongside and meeting vessel "B" as shown. Which action should you take? (DIAGRAM 39 )
N a. Alter course to port Y b. Alter course to starboard N c. Back down to reduce the strain on the lines N d. Maintain course and speed 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 270: INLAND ONLY Two power-driven vessels are meeting in a narrow channel as shown. Which statement is TRUE? (DIAGRAM 37 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile of each other. Y b. If agreement is reached by radiotelephone whistle signals are optional. N c. If agreement is reached by radiotelephone whistle signals must still be exchanged. N d. None of the above 341: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )
Y a. "I intend to leave you on my port side" N b. "I intend to overtake you on your port side" N c. "I am altering my course to starboard" N d. None of the above 345: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to overtake you on my starboard side" N b. "I am operating astern propulsion" Y c. "I intend to leave you on my port side" N d. None of the above 4074: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel of 75 meters in length, at anchor?
N a. She must show an all-round white light forward. N b. She must show a second all-round white light aft. N c. She may use her working lights to illuminate her decks. Y d. All of the above 4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.
N a. maintain course and speed Y b. keep clear, passing at a safe distance N c. sound one blast and turn to starboard N d. stop her engines 4112: BOTH INTERNATIONAL & INLAND A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________.
N a. during the day, three balls in a vertical line N b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond Y c. when making way at night, two all-round red lights, sidelights, and a stern light N d. when making way at night, masthead lights, sidelights, and a stern light 4148: BOTH INTERNATIONAL & INLAND You are 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 4149: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 84 )
Y a. not under command N b. showing improper lights N c. towing N d. dredging 4164: BOTH INTERNATIONAL & INLAND While underway in fog you hear a whistle signal consisting of one prolonged blast followed immediately by two short blasts. This signal is sounded in fog by __________.
N a. vessels at anchor, not engaged in fishing Y b. vessels underway and towing N c. vessels in danger N d. pilot vessels 4187: 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 __________.
N a. vessel not under command N b. vessel restricted in her ability to maneuver Y c. power-driven vessel approaching on her starboard side N d. vessel fishing 4242: BOTH INTERNATIONAL & INLAND All fog signals shall be sounded every two minutes with the exception of a vessel __________.
N a. underway or making way N b. under sail or under tow Y c. anchored or aground N d. not under command or restricted in her ability to maneuver 4243: BOTH INTERNATIONAL & INLAND In reduced visibility, you hear two prolonged blasts of a whistle. This signal is sounded by a __________.
Y a. power-driven vessel dead in the water N b. sailing vessel on the port tack N c. vessel not under command N d. vessel fishing with nets 4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?
Y a. A diamond N b. A cone N c. One black ball N d. Two black balls in a vertical line 4341: BOTH INTERNATIONAL & INLAND On open water, a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel's starboard side. Which vessel is the stand-on vessel?
N a. The fishing vessel because it is to port of the sailing vessel. Y b. The fishing vessel because it is fishing. N c. The sailing vessel because it is to starboard of the fishing vessel. N d. The sailing vessel because it is sailing. 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 4402: BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.
Y a. ball N b. cone N c. cylinder N d. double cone, apexes together 4460: BOTH INTERNATIONAL & INLAND Of the vessels listed, which must keep out of the way of all the others?
Y a. A sailing vessel N b. A vessel restricted in her ability to maneuver N c. A vessel not under command N d. A vessel engaged in fishing 4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is required to show sidelights and a stern light only when __________.
N a. anchored N b. underway N c. dead in the water Y d. underway and making way 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. 4575: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she can see which light(s) of a vessel ahead?
Y a. Only the stern light of the vessel N b. One sidelight and a masthead light of the vessel N c. Only a sidelight of the vessel N d. The masthead lights of the vessel 4628: BOTH INTERNATIONAL & INLAND A sailing vessel displaying the day-shape shown is indicating that she is __________. (DIAGRAM 35 )
Y a. being propelled by power as well as sail N b. on a starboard tack N c. close-hauled and has difficulty maneuvering N d. fishing as well as sailing 4649: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in one combined lantern?
N a. A 10-meter power-driven vessel N b. A 15-meter vessel propelled by sail and machinery Y c. A 10-meter sailing vessel N d. All of the above 4718: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. fishing at anchor Y b. dredging while underway N c. transferring dangerous cargo at a berth N d. restricted in her ability to maneuver, underway but not making way 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 8051: INTERNATIONAL ONLY A vessel constrained by her draft may display __________.
Y a. three all-round red lights N b. two 225° red lights N c. three all-round blue lights N d. two 225° blue lights