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 entering port “A” for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do? （）
A vessel sighting a northern right whale dead ahead should（）.
A vessel not under command shall display（）.
A vessel or object being towed astern shall display a(n)（）.
A vessel is equipped with twin propellers，both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships，what will happen?（）
A vessel displaying three red lights in a vertical line is（）.
A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.
A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? （）
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
A vessel towing a barge astern would show，at the stern（）.