A.two all-round red lights in a vertical line
B.anchor lights and sidelights
C.two all-round white lights in a vertical line，sidelights and a stern light
D.two all-round red lights in a vertical line，sidelights，and a stern light
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A.white lights are not used
B.red and green lights are not used
C.the signal cannot be mistaken for a signal authorized by the Rules
D.the vessel signals such intentions over the radiotelephone
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
A.wearing a life jacket
B.wearing a safety harness secured to the stage
C.wearing both a life jacket and a safety harness secured to the stage
D.the vessel is not making way
A.Coastwise Articles
B.Foreign Articles
C.Intercoastal Articles
D.no articles
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
最新試題
A vessel is overtaking when she can see which light(s) of a vessel ahead?（）
A vessel displaying three red lights in a vertical line is（）.
A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.
A vessel or object being towed astern shall display a(n)（）.
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 317°. What action should be taken to remove this error during compass adjustment? （）
A vessel is “engaged in fishing” when（）.
A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when（）.
A vessel may use any sound or light signals to attract the attention of another vessel as long as（）.
A vessel towing a barge astern would show，at the stern（）.
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）