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.
6: INLAND ONLY A vessel displaying a flashing blue light is __________.
N a. transferring dangerous cargo Y b. a law enforcement vessel N c. a work boat N d. engaged in a race 19: INLAND ONLY A power-driven vessel operating in a narrow channel with a following current on the Great Lakes or Western Rivers is meeting an upbound vessel. Which statement is TRUE?
N a. The downbound vessel has the right-of-way. N b. The downbound vessel must initiate the required maneuvering signals. N c. The downbound vessel must propose the manner and place of passage. Y d. All of the above 88: INLAND ONLY Two power-driven vessels are meeting in the situation as shown. One short blast by vessel "A" means __________. (DIAGRAM 37 )
N a. "I am altering my course to starboard" Y b. "I intend to leave you on my port side" N c. "My intention is to hold course and speed" N d. "I intend to pass on your starboard side" 257: INLAND ONLY Two power-driven vessels are meeting in the situation as shown. One short blast from either vessel means __________. (DIAGRAM 37 )
N a. "I am altering my course to starboard." Y b. "I intend to leave you on my port side." N c. "I intend to hold course and speed." N d. "I intend to pass on your starboard side." 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 347: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should __________. (DIAGRAM 42 )
N a. sound the danger signal and slow to moderate speed N b. alter course to the right or slowdown N c. sound one short blast and maintain course and speed Y d. None of the above 362: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds two short blasts on the whistle. You are on vessel "B" and are in doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )
N a. maintain course and speed N b. alter course to the right or slow down N c. sound one short blast and maintain course and speed Y d. sound five or more short and rapid blasts 378: 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 am altering my course to starboard" Y b. "I intend to leave you on my port side" N c. "I intend to overtake you on your port side" N d. "I am operating astern propulsion" 4006: BOTH INTERNATIONAL & INLAND Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should __________.
N a. back your engines N b. stop your engines and drift Y c. answer with one prolonged blast N d. sound the danger signal 4044: BOTH INTERNATIONAL & INLAND You see a vessel's green sidelight bearing due east from you. The vessel might be heading __________.
N a. east (090°) N b. northeast (045°) N c. northwest (315°) Y d. southwest (225°) 4109: BOTH INTERNATIONAL & INLAND A vessel towing in fog shall sound a fog signal of __________.
N a. one prolonged blast every one minute N b. two prolonged blasts every two minutes Y c. one prolonged and two short blasts every two minutes N d. one prolonged blast every two minutes 4111: BOTH INTERNATIONAL & INLAND A 50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?
N a. Two masthead lights forward, a stern light, and a towing light above the stern light Y b. A masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light N c. No masthead light forward, two masthead lights aft, a stern light, and a towing light above the stern light N d. Three masthead lights forward, one masthead light aft, and two towing lights in a vertical line at the stern 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 4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
N a. not under command N b. in special circumstances Y c. restricted in her ability to maneuver N d. constrained by her draft 4262: BOTH INTERNATIONAL & INLAND A vessel not under command making way at night would show __________.
N a. two all-round red lights in a vertical line N b. anchor lights and sidelights N c. two all-round white lights in a vertical line, sidelights and a stern light Y d. two all-round red lights in a vertical line, sidelights, and a stern light 4337: BOTH INTERNATIONAL & INLAND A vessel showing a yellow light over a white light at night is a vessel __________.
N a. engaged in piloting Y b. towing astern N c. engaged in fishing N d. in distress 4383: BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should __________.
N a. take avoiding action immediately upon determining that risk of collision exists N b. immediately sound the danger signal Y c. take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate N d. hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision 4389: BOTH INTERNATIONAL & INLAND An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?
N a. Masthead lights and sidelights N b. One sidelight, the masthead lights and stern light N c. Both sidelights Y d. Stern light 4417: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing a vessel displaying both sidelights ONLY dead ahead N b. Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights and masthead light(s) of a vessel dead ahead 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 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 4593: BOTH INTERNATIONAL & INLAND Risk of collision may be deemed to 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 4596: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape is __________. (DIAGRAM 13 )
N a. fishing N b. towing N c. being towed Y d. anchored 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° 4731: BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
N a. not under command Y b. engaged in fishing N c. engaged in towing N d. under sail 5300: BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.
N a. is located between the scheme and the nearest land Y b. separates traffic proceeding in one direction from traffic proceeding in the opposite direction N c. is designated as an anchorage area N d. contains all the traffic moving in the same direction 6560: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme is forbidden to __________.
Y a. proceed through an inappropriate traffic lane N b. engaged in fishing in the separation zone N c. cross a traffic lane N d. enter the separation zone, even in a emergency 8012: INTERNATIONAL ONLY In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel __________.
N a. meeting another head-on N b. crossing the course of another Y c. overtaking another N d. Any of the above 8032: INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?
N a. When overtaking in restricted visibility Y b. When overtaking in a narrow channel N c. When overtaking on open waters N d. When no other vessels are in the immediate area 8060: INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. According to Rule 9, you __________.
Y a. may sound the danger signal N b. must sound one prolonged and two short blasts N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down