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.
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 109: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. In addition to a steady white light which other light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )
N a. Steady green light N b. Flashing red light Y c. Flashing yellow light N d. Flashing white light 145: INLAND ONLY A light used to signal passing intentions must be a(n) __________.
Y a. all-round white or yellow light N b. all-round yellow light only N c. all-round white light only N d. 225° white light only 168: 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 )
N a. NW N b. SW N c. NE Y d. SE 178: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a 65-meter tug towing a barge astern, length of tow 120 meters? (DIAGRAM 72 )
N a. A N b. B Y c. C N d. D 341: 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 )
Y a. "I intend to leave you on my port side" N b. "I intend to overtake you on your port side" N c. "I am altering my course to starboard" N d. None of the above 366: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
N a. give-way vessel Y b. stand-on vessel N c. overtaking vessel N d. burdened vessel 4015: BOTH INTERNATIONAL & INLAND A 95-meter vessel aground sounds which fog signal?
N a. A rapid ringing of a bell for 5 seconds every two minutes N b. A whistle signal of one short, one prolonged, and one short blast N c. A prolonged blast of the whistle at intervals not to exceed one minute Y d. A rapid ringing of a bell for 5 seconds, preceded and followed by three separate and distinct strokes on the bell 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 4129: BOTH INTERNATIONAL & INLAND Which vessel MUST show two masthead lights in a vertical line?
Y a. A power-driven vessel less than 50 meters in length with a 20-meter tow N b. A sailing vessel towing a small vessel astern N c. A vessel not under command N d. A vessel engaged in dredging 4143: BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?
N a. When a towing light is shown, no stern light is necessary. N b. When a stern light is shown, no towing light is necessary. N c. The towing light is shown below the stern light. Y d. The towing light is shown above the stern light. 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 4188: BOTH INTERNATIONAL & INLAND You are at anchor in fog on a 120-meter power-driven vessel. You hear the fog signal of a vessel approaching off your port bow. You may sound __________.
N a. one prolonged, one short and one prolonged N b. two short blasts Y c. one short, one prolonged, and one short blast N d. one prolonged blast 4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a barge being towed astern at night?
N a. A white light at each corner N b. A white light fore and aft Y c. Sidelights and a stern light N d. A stern light only 4208: BOTH INTERNATIONAL & INLAND Five or more short blasts on a vessel's whistle indicates that she is __________.
Y a. in doubt that another vessel is taking sufficient action to avoid a collision N b. altering course to starboard N c. altering course to port N d. the stand-on vessel and will maintain course and speed 4224: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is required to __________.
N a. maintain course and speed Y b. keep clear N c. sound one blast and turn to starboard N d. stop her engines 4295: BOTH INTERNATIONAL & INLAND The use of the danger signal __________.
N a. replaces directional signals N b. makes the other vessel the stand-on vessel Y c. indicates doubt as to another vessels actions N d. is the same as a "MAYDAY" signal 4328: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape shown __________. (DIAGRAM 10 )
N a. is at anchor N b. is not under command Y c. has a tow that exceeds 200 meters in length N d. has a tow that is carrying dangerous cargo 4333: BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.
Y a. 22.5° abaft the beam N b. abeam N c. 22.5° forward of the beam N d. 135° abaft the beam 4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?
N a. The vessel which has the other on her own port side shall keep out of the way. Y b. If the stand-on vessel takes action, she shall avoid changing course to port. N c. If the give-way vessel takes action, she shall avoid changing course to starboard. N d. The give-way vessel should keep the other vessel to her starboard. 4362: BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a __________.
N a. power-driven vessel underway Y b. vessel not under command N c. vessel sailing N d. vessel engaged on pilotage duty 4396: BOTH INTERNATIONAL & INLAND Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?
Y a. When at anchor, the pilot vessel is only required to sound anchor signals. N b. The identification signal must be sounded any time the pilot vessel is underway. N c. The pilot vessel may only sound the identity signal when making way. N d. All of the above 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 4575: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she can see which light(s) of a vessel ahead?
Y a. Only the stern light of the vessel N b. One sidelight and a masthead light of the vessel N c. Only a sidelight of the vessel N d. The masthead lights of the vessel 4613: BOTH INTERNATIONAL & INLAND Working lights shall be used to illuminate the decks of a vessel __________.
Y a. over 100 meters at anchor N b. not under command N c. constrained by her draft N d. Any of the above 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 4737: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. hold your course and speed if she is on your port bow N c. sound three short blasts, and take all way off your vessel N d. sound two prolonged blasts followed by one short blast 8002: INTERNATIONAL ONLY Which statement is true concerning a vessel "constrained by her draft"?
Y a. She must be a power-driven vessel. N b. She is not under command. N c. She may be a vessel being towed. N d. She is hampered because of her work. 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 8084: INTERNATIONAL ONLY While underway at night, a power-driven vessel of less than 7 meters in length, whose maximum speed which does not exceed 7 knots, may show __________.
N a. sidelights combined in a single lantern, only N b. an all-round flashing yellow light, only Y c. one all-round white light, only N d. a lantern showing a white light exhibited in sufficient time to prevent collision, only