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.
29: INLAND ONLY A fleet of moored barges extends into a navigable channel. What is the color of the lights on the barges?
N a. Red N b. Amber Y c. White N d. Yellow 53: INLAND ONLY You are on vessel "A" and vessel "B" desires to overtake you on the starboard side as shown. After the vessels have exchanged one blast signals you should __________. (DIAGRAM 38 )
N a. alter course to the left N b. slow your vessel until vessel "B" has passed Y c. hold course and speed N d. alter course to the left or right to give vessel "B" more sea room 101: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel on her starboard side. Your first whistle signal should be __________.
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 104: INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?
Y a. Two unobstructed all-round white lights N b. Two yellow lights in a vertical line at the stern N c. A red light placed on all four corners N d. A red light placed on the two corners farthest from the bank 131: INLAND ONLY You are navigating in a narrow channel and must remain in the channel for safe operation. Another vessel is crossing the channel ahead of you from your starboard. You are doubtful of intention of the crossing vessel. You MUST __________.
N a. stop your vessel, since the other vessel has the right of way Y b. sound the danger signal N c. contact him on the radiotelephone to make a passing agreement N d. stop your engines until you have slowed to bare steerageway 206: INTERNATIONAL ONLY What lights are required for a single barge being towed alongside?
Y a. Sidelights and a stern light N b. Sidelights, a special flashing light, and a stern light N c. Sidelights and a special flashing light N d. Sidelights, a towing light, and a stern light 214: INTERNATIONAL ONLY At night, you sight the lights shown. What do the lights indicate? (DIAGRAM 55 )
N a. A vessel fishing at anchor Y b. A tug with a tow alongside N c. A tug not under command N d. A pipeline 247: INLAND ONLY You are on vessel "I" and in sight of vessel "II" as shown. Vessel "II" sounds one short blast. If you agree, you should __________. (DIAGRAM 36 )
Y a. sound one short blast and hold course and speed N b. hold course and speed and sound no signal N c. sound one short blast and slow down or turn to starboard N d. sound the danger signal and slow to moderate speed 252: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which action should the vessels take? (DIAGRAM 41 )
Y a. The vessels should continue on course and pass without sounding any whistle signals. N b. The vessels should exchange two blast whistle signals and pass starboard to starboard. N c. The vessels should exchange one blast whistle signals and pass starboard to starboard. N d. The vessel with the tow should initiate the whistle signals. 295: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
N a. submarine on the surface Y b. tug and a barge being towed astern N c. vessel restricted in her ability to maneuver N d. vessel not under command 349: 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 sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. one short blast N c. two short blasts Y d. None of the above 357: 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. This signal means __________. (DIAGRAM 42 )
N a. "I am intend to leave you on my starboard side" N b. "I intend to intend to overtake you on your port side" N c. "I am altering my course to port" Y d. None of the above 369: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )
N a. stand-on vessel N b. overtaking vessel Y c. give-way vessel N d. None of the above 4022: BOTH INTERNATIONAL & INLAND A sailing vessel underway may exhibit __________.
Y a. a red light over a green light at the masthead N b. a green light over a red light at the masthead N c. two white lights in a vertical line at the stern N d. an all-round white light at the bow 4036: BOTH INTERNATIONAL & INLAND You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. initiate an exchange of passing signals N c. sound the danger signal N d. hold your course and speed 4049: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?
N a. The other vessel must give way since your vessel is stopped. Y b. Your vessel is the give-way vessel in a crossing situation. N c. You should be showing the lights or shapes for a vessel not under command. N d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver. 4059: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?
N a. A seaplane must show appropriate lights but need not exhibit shapes. N b. A seaplane should exhibit the lights for a vessel constrained by her draft. N c. In situations where a risk of collision exists, a seaplane should always give way. Y d. A seaplane on the water shall, in general, keep well clear of all vessels. 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 4178: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed by two short blasts. This is a vessel __________.
Y a. towing N b. engaged on pilotage duty N c. aground in a fairway N d. stopped and making no way through the water 4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
N a. keep to the starboard side of the channel and sound one short blast N b. sound the danger signal Y c. sound one prolonged blast N d. slow your vessel to bare steerageway 4228: BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?
N a. When the two vessels are less than half a mile from each other. Y b. When the give-way vessel is not taking appropriate action to avoid collision. N c. When collision is imminent. N d. The stand-on vessel is never allowed to take action. 4281: BOTH INTERNATIONAL & INLAND A vessel 30 meters in length and aground would display a day-shape consisting of __________.
N a. a cylinder N b. one black ball N c. two black balls in a vertical line Y d. three black balls in a vertical line 4463: BOTH INTERNATIONAL & INLAND You are underway on vessel "B" approaching vessel "A", as shown. You are unable to see any sidelights on vessel "A". This is a(n) __________. (DIAGRAM 38 )
N a. meeting situation N b. crossing situation Y c. overtaking situation N d. special circumstances situation 4535: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?
N a. May be sounded by the stand-on vessel only N b. Indicates that the vessel is in distress N c. Is used to indicate a course change Y d. May be supplemented by an appropriate light signal 4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.
N a. vessel being towed N b. fishing vessel engaged in trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 4620: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The second vessel of the tow should sound __________.
Y a. no fog signal N b. one short blast N c. one prolonged and three short blasts N d. one prolonged and two short blasts 4722: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is not required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged in survey operations N c. A vessel engaged on pilotage duty Y d. A vessel engaged in fishing 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 8075: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. Two short blasts followed by two prolonged blasts Y b. Two prolonged followed by two short blasts N c. Two prolonged blasts only N d. Two short blasts only