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.
25: INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side will sound a whistle signal of __________.
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 38: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.
N a. one short blast, alter course to the left, and pass starboard to starboard N b. two short blasts, alter course to the left, and pass starboard to starboard Y c. one short blast, alter course to the right, and pass port to port N d. two short blasts, alter course to the right, and pass port to port 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. 263: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. Y b. Change course or speed to avoid vessel "II". N c. Sound one short blast, and await a response. N d. Sound two short blasts, and await a response. 339: 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 )
N a. one prolonged, one short, one prolonged and one short blasts N b. two short blasts Y c. one short blast N d. None of the above 4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.
N a. vessel not under command N b. sailing vessel Y c. vessel being towed (manned) N d. vessel being towed (unmanned) 4024: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. sailing ships N b. nondisplacement craft N c. seaplanes Y d. All of the above 4051: BOTH INTERNATIONAL & INLAND The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights __________.
Y a. shall be displayed in restricted visibility during daylight hours N b. need not be displayed when no other vessels are in the area N c. shall be set at low power when used during daylight hours N d. need not be displayed by unmanned vessels 4057: BOTH INTERNATIONAL & INLAND You see a vessel displaying the code flag "LIMA" below which is a red ball. The vessel is __________.
N a. trolling N b. getting ready to receive aircraft N c. aground Y d. in distress 4120: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing during the day would show __________.
N a. one black ball N b. two cones with bases together N c. a cone, apex downward Y d. two cones, apexes together 4131: BOTH INTERNATIONAL & INLAND What day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?
N a. Two balls N b. Two diamonds N c. One ball Y d. One diamond 4216: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
N a. initiate an exchange of passing signals Y b. not cross the channel if you might impede the other vessel N c. sound the danger signal N d. hold your course and speed 4266: BOTH INTERNATIONAL & INLAND On open waters, a power-driven vessel shall keep out of the way of a __________.
N a. vessel on her port side that is crossing her course N b. vessel that is overtaking her N c. seaplane on the water Y d. sailing vessel 4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?
Y a. 20 meters N b. 50 meters N c. 65 meters N d. 100 meters 4366: BOTH INTERNATIONAL & INLAND Which vessel is a "vessel restricted in her ability to maneuver" under the Rules?
Y a. A vessel mineclearing N b. A vessel engaged in fishing N c. A vessel at anchor N d. A vessel not under command 4474: BOTH INTERNATIONAL & INLAND In a crossing situation, the stand-on vessel should normally __________.
N a. take action to cross ahead of the other vessel N b. take action to pass astern of the other vessel Y c. maintain course and speed N d. change course and increase speed 4560: BOTH INTERNATIONAL & INLAND When towing more than one barge astern at night __________.
N a. only the last barge on the tow must be lighted N b. only the first and the last barges in the tow must be lighted Y c. each barge in the tow must be lighted N d. only manned barges must be lighted 4567: BOTH INTERNATIONAL & INLAND As shown, vessel "A", which is pushing ahead, and vessel "B" are crossing. Which is the stand-on vessel? (DIAGRAM 5 )
N a. Vessel "A" is the stand-on vessel because she is to port of vessel "B". N b. Vessel "A" is the stand-on vessel because she is pushing ahead. Y c. Vessel "B" is the stand-on vessel because she is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel in this situation. 4624: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. towing a barge alongside Y b. underway and laying cable N c. at anchor and dredging N d. underway and carrying dangerous cargo 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 4682: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. do not interfere with the keeping of a proper look-out N b. do not impair the visibility or distinctive character of the prescribed lights N c. cannot be mistaken for the lights specified elsewhere in the Rules Y d. All of the above 4690: BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?
N a. A vessel engaged in fishing, at anchor N b. A vessel restricted in its ability to maneuver, at anchor Y c. A sailing vessel, at anchor N d. All of the above 4732: INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.
N a. trolling N b. fishing in a traffic separation zone Y c. in close proximity to other vessels engaged in fishing N d. in a narrow channel 4734: BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.
N a. white lights are not used N b. red and green lights are not used Y c. the signal cannot be mistaken for a signal authorized by the Rules N d. the vessel signals such intentions over the radiotelephone 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 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 4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
N a. The vessel making the most speed is the give-way vessel. Y b. A sailing vessel overtaking another is the give-way vessel. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 6570: BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.
N a. is between the scheme and the nearest land N b. contains all the traffic moving in one direction N c. is designated as an anchorage area Y d. separates traffic proceeding in one direction from traffic proceeding in the opposite direction 8010: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.
N a. not under command N b. aground N c. dredging Y d. constrained by her draft 8057: INTERNATIONAL ONLY Your vessel is backing out of a slip in a harbor and you can see that other vessels are approaching. You should sound __________.
Y a. three short blasts when leaving the slip N b. one prolonged blast followed by three short blasts when the last line is taken aboard N c. one prolonged blast only N d. the danger signal