190. The light vessel is reported _______

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• By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.

  A . a floodlight B . two red lights in a vertical line C . a single red light D . any visible light

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• A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.

  A . are not the same color as either side light B . have a lesser range of visibility than the prescribed lights C . do not impair the visibility or distinctive character of the prescribed lights D . All of the above

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• A fishing vessel displaying the lights shown is（）.

  A . anchored B . underway but not fishing C . tending a small fishing boat D . fishing by trawling

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• A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.

  A . towing vessel is less than 50 meters B . towing vessel is greater than 50 meters C . tow is less than 200 meters D . tow is greater than 200 meter

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• A vessel showing a yellow light over a white light at night is a vessel（）.

  A . engaged in piloting B . towing astern C . engaged in fishing D . in distre

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• A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.

  A . engaged in underwater construction B . under sail and power C . a pilot vessel D . trawling

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• The light vessel is reported（）.

  A . to be destroyed B . to be demolished C . to be ruined D . to be spoiled

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• You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.

  A . stop engines B . hold course and speed C . alter course to port D . sound the danger signal

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• A vessel aground at night is required to show two red lights in a vertical line as well as （）.

  A . not under command lights B . restricted in her ability to maneuver lights C . anchor lights D . sidelights and a sternlight

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• Which vessel，when anchored at night，is NOT required to show anchor lights?（）.

  A . A power-driven vessel B . A vessel engaged on pilotage duty C . A vessel dredging D . A vessel restricted in her ability to maneuver

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• A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?（）.

  A . Whether she is normally a fishing or a trawling vessel B . Her gross tonnage C . Her length D . The type of gear she carrie

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• The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.

  A . ascending the river B . descending the river C . crossing the river D . proceeding towards sea

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• If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.

  A . pushed ahead B . towed alongside C . towed astern D . Any of the above

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• A vessel is overtaking when she can see which light(s) of a vessel ahead?（）

  A . Only the stern light of the vessel B . One sidelight and a masthead light of the vessel C . Only a sidelight of the vessel D . The masthead lights of the vessel

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• A vessel displaying three red lights in a vertical line is（）.

  A . restricted in her ability to maneuver B . not under command C . engaged in mineclearing operations D . constrained by her draft

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• You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.

  A . Survey vessel B . Vessel not under command C . Vessel aground D . Pilot vessel with port side to you

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• A list signal of one white light indicates that the vessel is （）.

  A . on an even keel B . listing about 1° to the side the light is displayed on C . listing over 5° With the light displayed on the high side D . listing，and the chutes should be directed to the side where the light is displayed

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• One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.

  A . telephone B . telegraph C . telex D . VHF

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• An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）

  A . Three lights in a vertical line，the highest and lowest red and the middle white，and anchor lights B . Three lights in a vertical line，the highest and lowest red and the middle white，ONLY C . Anchor lights ONLY D . Anchor lights and sidelights ONLY

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• You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.

  A . The vessel must carry only the lights that comply with the rules; the others may be omitted B . The vessel's lights must comply as closely as possible，as determined by her government C . The vessel must be altered to permit full compliance with the rules D . An all-round light should be substituted for the after masthead light and the stern light

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• At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.

  A . in distress B . approaching a bend in the channel C . operating astern propulsion D . intending to overtake another vessel

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• 190. How is the intensity of a light expressed in the Light List?

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• If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights.These additional lights may be shown if the tow is ().

  A.pushed ahead B.towed alongside C.towed astern D.Any of the above

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