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.
82: INLAND ONLY A vessel leaving a dock or berth must sound a prolonged blast of the whistle only if __________.
N a. other vessels can be seen approaching Y b. she is a power-driven vessel N c. visibility is restricted N d. her engines are going astern 141: INLAND ONLY You are the stand-on vessel in an overtaking situation. The other vessel is showing an alternately flashing red-and-yellow light. What action should you take?
N a. Alter course to assist N b. Give-way Y c. Stand on N d. Heave to 148: INLAND ONLY In a narrow channel, you are underway on vessel "A" and desire to overtake vessel "B". After you sound two short blasts on your whistle, vessel "B" sounds five short and rapid blasts on the whistle. You should __________.
N a. pass with caution on the port side of vessel "B" N b. wait for the other vessel to initiate a signal Y c. initiate another signal after the situation has stabilized N d. immediately answer with the danger signal, and then sound one short blast 163: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
N a. flashing yellow light N b. flashing blue light N c. alternately flashing blue and red light Y d. alternately flashing red and yellow light 176: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )
Y a. 40-meter tug with tow exceeding 200 meters N b. tug unable to maneuver as required by the Rules N c. range marking a channel beneath a drawbridge N d. 60-meter tug pushing a barge ahead 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 352: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
N a. flashing blue light Y b. alternately flashing red and yellow light N c. flashing yellow light N d. alternately flashing blue and red light 355: 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 )
Y a. "I am altering my course to starboard" N b. "I intend to leave you on my port side" N c. "I am altering my course to port" N d. None of the above 383: INLAND ONLY You are meeting "head on" a tug towing a barge alongside about a mile away. In addition to the white masthead lights which other lights do you see on the tug and tow combined?
N a. One green and one red sidelight on the outside of the unit N b. One green and one red sidelight and a special flashing light N c. Only the green and red sidelights marking each vessel Y d. The green and red sidelights marking each vessel and a special flashing light 4005: BOTH INTERNATIONAL & INLAND Which signal is recognized as a distress signal?
N a. Directing the beam of a searchlight at another vessel Y b. A smoke signal giving off orange colored smoke N c. A whistle signal of one prolonged and three short blasts N d. International Code Signal "PAN" spoken over the radiotelephone 4101: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?
Y a. When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal. N b. Only the stand-on vessel can sound the danger signal. N c. Distress signals may be used in place of the danger signal. N d. The danger signal consists of 4 or more short blasts of the whistle. 4127: BOTH INTERNATIONAL & INLAND A vessel will NOT show sidelights when __________.
N a. underway but not making way N b. making way, not under command Y c. not under command, not making way N d. trolling underway 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 4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?
Y a. A diamond N b. A cone N c. One black ball N d. Two black balls in a vertical line 4368: BOTH INTERNATIONAL & INLAND In a dense fog you hear a whistle signal ahead of one prolonged blast followed by three short blasts. This signal indicates a __________.
N a. fishing vessel underway trawling Y b. manned vessel being towed N c. pilot vessel underway making a special signal N d. vessel not under command 4375: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear a signal of three strokes of a bell, a rapid ringing of the bell, and three more strokes of the bell. This signal indicates a vessel __________.
N a. at anchor, giving warning Y b. aground N c. at anchor, greater than 100 meters N d. not under command at anchor 4425: BOTH INTERNATIONAL & INLAND A power-driven vessel exhibits the same lights as a __________.
N a. vessel towing, when not underway N b. vessel towing astern N c. sailing vessel Y d. pushing vessel and a vessel being pushed, when they are in a composite unit 4451: BOTH INTERNATIONAL & INLAND Every vessel should at all times proceed at a "safe speed". "Safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range Y b. you can take proper and effective action to avoid collision N c. you are traveling slower than surrounding vessels N d. no wake comes from your vessel 4510: BOTH INTERNATIONAL & INLAND You are approaching a vessel dredging during the day and see two balls in a vertical line on the port side of the dredge. These shapes mean that __________.
N a. you should pass on the port side of the dredge Y b. there is an obstruction on the port side of the dredge N c. the dredge is not under command N d. the dredge is moored 4518: BOTH INTERNATIONAL & INLAND As defined in the Rules, a towing light is a yellow light having the same characteristics as a(n) __________.
N a. masthead light N b. all-round light N c. sidelight Y d. stern light 4572: BOTH INTERNATIONAL & INLAND You are underway in low visibility and sounding fog signals. What changes would you make in the fog signal immediately upon losing propulsion?
N a. Begin sounding two prolonged blasts at two-minute intervals. N b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. Y c. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. N d. No change should be made in the fog 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 4610: BOTH INTERNATIONAL & INLAND You are aboard the give-way vessel in a crossing situation. What should you NOT do in obeying the Rules?
Y a. Cross ahead of the stand-on vessel N b. Make a large course change to starboard N c. Slow your vessel N d. Back your vessel 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 4699: BOTH INTERNATIONAL & INLAND What is the identity signal which may be sounded by a vessel engaged on pilotage duty in fog?
N a. 2 short blasts N b. 3 short blasts Y c. 4 short blasts N d. 5 short blasts 6520: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
N a. vessel not under command Y b. vessel at anchor N c. vessel towing N d. All of the above 8047: INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.
N a. intends to alter course to starboard N b. intends to pass starboard to starboard Y c. is altering course to starboard N d. intends to pass port to port 8051: INTERNATIONAL ONLY A vessel constrained by her draft may display __________.
Y a. three all-round red lights N b. two 225° red lights N c. three all-round blue lights N d. two 225° blue lights 8074: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which would be sounded by a vessel __________.
Y a. overtaking another in a narrow channel N b. anchored N c. engaged in mineclearance N d. engaged in fishing 8080: INTERNATIONAL ONLY Which signal is sounded ONLY by a vessel in sight of another?
Y a. One short blast on the whistle N b. Four short blasts on the whistle N c. One prolonged blast on the whistle N d. One short, one prolonged, and one short blast on the whistle