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.
43: INLAND ONLY You are meeting another vessel head-on and sound one short blast as a passing signal. The other vessel answers with two short blasts. What should be your next action?
N a. Pass on the other vessel's starboard side. Y b. Sound the danger signal. N c. Pass astern of the other vessel. N d. Hold your course and speed. 61: INLAND ONLY Your power-driven vessel is overtaking another power-driven vessel in a narrow channel. You wish to overtake her on her starboard side. You should sound a whistle signal of __________.
Y a. one short blast N b. two prolonged blasts followed by one short blast N c. one prolonged and one short blast N d. at least five short blasts 70: INLAND ONLY Vessels "A" and "B" are meeting in a narrow channel as shown. Which statement is TRUE concerning whistle signals between the vessels? (DIAGRAM 29 )
Y a. Both vessels should sound two short blasts. N b. Both vessels should sound one short blast. N c. Vessel "A" should sound one short blast and vessel "B" should sound two short blasts. N d. Neither vessel should sound any signal as no course change is necessary. 161: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading __________. (DIAGRAM 51 )
Y a. NW N b. SW N c. NE N d. SE 166: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
Y a. SE N b. NE N c. SW N d. NW 254: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which is one of the lights on vessel "B" that you will see if you are on vessel "A"? (DIAGRAM 41 )
N a. red sidelight N b. yellow towing light Y c. special flashing light N d. All of the above 262: INLAND ONLY When power-driven vessels are in sight of one another, passing signals shall be sounded when __________.
Y a. meeting or crossing within half a mile of each other N b. meeting within one mile of each other N c. meeting or crossing at any distance N d. crossing within one mile of each other 289: BOTH INTERNATIONAL & INLAND The tow shown is less than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel? (DIAGRAM 24 )
Y a. ball-diamond-ball on the towing vessel N b. diamond on the towing vessel N c. diamond on the last barge N d. None of the above 337: 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. Vessel "B" should sound __________. (DIAGRAM 42 )
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by two short blasts N d. three short blasts 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 399: BOTH INTERNATIONAL & INLAND The lead vessel shown is a __________. (DIAGRAM 24 )
N a. mineclearance vessel N b. survey vessel Y c. power-driven vessel towing astern N d. None of the above 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 4123: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged blast followed by two short blasts on the whistle. What does this signal indicate?
Y a. A vessel towing N b. A vessel engaged in pilotage duty N c. A vessel being towed N d. A vessel aground 4144: BOTH INTERNATIONAL & INLAND At night, a vessel which is less than 7 meters in length and anchored in an area where other vessels do not normally navigate is __________.
Y a. not required to show any anchor lights N b. required to show a flare-up light N c. required to show one white light N d. required to show 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 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4282: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 63 )
Y a. towing astern N b. underway and more than 50 meters in length N c. broken down N d. fishing 4465: BOTH INTERNATIONAL & INLAND Traffic separation schemes __________.
N a. provide routing and scheduling procedures to reduce shipping delays N b. provide traffic patterns in congested areas, so that vessels can operate without having a separate lookout Y c. provide inbound and outbound lanes to promote the safe flow of vessel traffic N d. prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive 4469: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal in fog if she is __________.
N a. aground Y b. at anchor N c. not under command N d. no longer on pilotage duty 4533: BOTH INTERNATIONAL & INLAND In which situation do the Rules require both vessels to change course?
Y a. Two power-driven vessels meeting head-on N b. Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action N c. Two sailing vessels crossing with the wind on the same side N d. All of the above 4614: BOTH INTERNATIONAL & INLAND Which vessel may show identifying lights when not actually engaged in her occupation?
N a. A fishing vessel N b. A pilot vessel N c. A mineclearance vessel Y d. None of the above 4623: BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights?
N a. 1 Y b. 2 N c. 3 N d. 4 4651: BOTH INTERNATIONAL & INLAND Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?
N a. The vessel which has the other on her own starboard side N b. The vessel which has the other on her own port side N c. The one which hears the other's fog signal first Y d. Neither vessel is the stand-on vessel. 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° 4695: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two short blasts on the whistle. You should __________.
N a. not sound any whistle signals until the other vessel is sighted Y b. sound only fog signals until the other vessel is sighted N c. sound whistle signals only if you change course N d. sound two short blasts and change course to the left 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 4720: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. towing a barge alongside N b. at anchor and dredging Y c. underway and engaged in surveying operations N d. not under command and making way 4839: BOTH INTERNATIONAL & INLAND A vessel is considered to be "restricted in her ability to maneuver" under the Rules if she is __________.
N a. at anchor Y b. mineclearing N c. engaged in fishing N d. engaged in towing 5000: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
Y a. sound only fog signals until the other vessel is sighted N b. not sound any whistle signals until the other vessel is sighted N c. sound two blasts and change course to the left N d. sound whistle signals only if you change course 8007: INTERNATIONAL ONLY A towing light is __________.
N a. shown at the bow N b. white in color Y c. shown in addition to the stern light N d. an all-round light