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.
8: INLAND ONLY If you were coming up on another power-driven vessel from dead astern and desired to overtake on the other vessel's starboard side, which whistle signal would you sound?
Y a. One short blast N b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 102: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown must you show when at anchor? (DIAGRAM 16 )
Y a. A N b. B N c. C N d. D 181: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )
Y a. sailing vessel N b. 8-meter power-driven vessel N c. vessel not under command N d. 12-meter fishing vessel 223: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
Y a. Two N b. One N c. One, on the near approach of another vessel N d. None 246: INLAND ONLY You are on vessel "A" as shown in a narrow channel. Vessel "B" sounds two short blasts. If you are in agreement you should __________. (DIAGRAM 32 )
Y a. sound two short blasts N b. sound two prolonged followed by two short blasts N c. not answer the whistle signals from vessel "B" N d. None of the above 249: INLAND ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a power-driven vessel engaged in fishing that will pass 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. N b. Sound the danger signal and reduce speed. N c. Sound one short blast, reduce speed and turn to starboard. Y d. Sound one short blast and await response from the fishing vessel. 265: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing. The vessels will pass within 1/2 mile of each other. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. N b. Sound the danger signal and slow to moderate speed. Y c. Sound one short blast, turn to starboard. N d. Sound one short blast and hold course and speed. 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 342: 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 leave you on my starboard side" N b. "I am operating astern propulsion port side" N c. "I am altering my course to starboard" Y d. None of the above 397: INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?
N a. At least five short and rapid blasts Y b. Four short blasts N c. One prolonged, one short, one prolonged, and one short blast, in that order N d. Two short blasts 4016: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?
Y a. She must use this equipment to obtain early warning of risk of collision. N b. The radar equipment is only required to be used in restricted visibility. N c. The use of a radar excuses a vessel from the need of a look-out. N d. The safe speed of such a vessel will likely be greater than that of vessels without radar. 4091: BOTH INTERNATIONAL & INLAND An authorized light to assist in the identification of submarines operating on the surface is a(n) __________.
N a. blue rotating light Y b. intermittent flashing amber/yellow light N c. flashing white light N d. flashing sidelight 4102: BOTH INTERNATIONAL & INLAND A distress signal __________.
N a. consists of 5 or more short blasts of the fog signal apparatus Y b. may be used separately or with other distress signals N c. consists of the raising and lowering of a large white flag N d. is used to indicate doubt about another vessel's intentions 4182: BOTH INTERNATIONAL & INLAND Distress signals may be __________.
N a. red flares N b. smoke signals N c. sound signals Y d. Any of the above 4218: BOTH INTERNATIONAL & INLAND A vessel displaying the day signal shown is __________. (DIAGRAM 7 )
Y a. not under command N b. a dredge underway and dredging N c. fishing N d. a hydrographic survey vessel underway 4271: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The third vessel of the tow should sound __________.
N a. no fog signal N b. one prolonged and two short blasts Y c. one prolonged and three short blasts N d. one prolonged, one short and one prolonged blast 4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 82 )
N a. sailing Y b. fishing N c. a pilot boat N d. anchored 4400: BOTH INTERNATIONAL & INLAND When action to avoid a close quarters situation is taken, a course change alone may be the most effective action provided that __________.
N a. it is done in a succession of small course changes N b. it is NOT done too early Y c. it is a large course change N d. the course change is to starboard 4525: BOTH INTERNATIONAL & INLAND Sailing vessels are stand-on over power-driven vessels except __________.
N a. in a crossing situation N b. in a meeting situation Y c. when they are the overtaking vessel N d. on the inland waters of the U.S. 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 4635: BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing operations will show __________.
N a. three balls in a vertical line N b. two balls in a vertical line Y c. one ball near the foremast and one ball at each fore yard N d. one diamond near the foremast head and one ball at each fore yard 4726: BOTH INTERNATIONAL & INLAND A tug is towing three unmanned barges astern in fog. The third 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, one short, and one prolonged blast 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 4836: BOTH INTERNATIONAL & INLAND Which vessel is, by definition, unable to keep out of the way of another vessel?
N a. Vessel engaged in fishing N b. Vessel not making way N c. Vessel sailing Y d. Vessel restricted in her ability to maneuver 5350: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
Y a. avoid anchoring in areas near the termination of the scheme N b. avoid crossing traffic lanes, but if obliged to do so, shall cross on as small an angle as is practical N c. only anchor in the separation zone N d. use the separation zone for navigating through the scheme if she is hindering other traffic due to her slower speed 8043: INTERNATIONAL ONLY Which vessel would NOT sound a fog signal of one prolonged and two short blasts?
N a. A vessel not under command N b. A vessel constrained by her draft Y c. A vessel being towed N d. A vessel sailing 8068: INTERNATIONAL ONLY A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel __________.
N a. engaged on pilotage duty N b. in distress N c. at anchor Y d. being overtaken in a narrow channel 8076: INTERNATIONAL ONLY You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.
N a. two prolonged followed by two short blasts Y b. one prolonged, one short, one prolonged, and one short blast N c. one short blast N d. two prolonged blasts 8081: INTERNATIONAL ONLY The light which may be used with a vessel's whistle must be __________.
N a. used when the whistle is broken Y b. a white light N c. used only at night N d. used prior to sounding the whistle 8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?
N a. A black diamond Y b. A cylinder N c. A black ball N d. A black cone, apex upward