A.a vessel restricted in her ability to maneuver
B.a vessel under command
C.a passenger ship
D.a seaplane on the water
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A.three masthead lights in a vertical line instead of either the forward or after masthead light
B.two masthead lights in a vertical line instead of either the forward or after masthead lights
C.two towing lights in a vertical line at the stern
D.a small white light aft of the funnel
A.immediately stop
B.immediately maneuvering
C.immediately anchoring
D.immediately going astern
A.making headway
B.making no headway
C.moored to a buoy
D.at anchor
A.Whether she is normally a fishing or a trawling vessel
B.Her gross tonnage
C.Her length
D.The type of gear she carries
A.a diamond shape
B.two cones，apexes together
C.a black ball
D.one cone，apex upward
最新試題
According to the Rules，when should lights be displayed?（）.
Navigation lights must be displayed in all weathers from sunset to sunrise. They also（）.
A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）
A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.
A power-driven vessel underway shall keep out of the way of（）.
A towing light，according to the Rules，is a（）.
A safe water daymark has what shape? （）
A vessel is fishing at anchor on the high seas. Which of the following day signals should she display if she has gear extending out over 150 meters horizontally from the vessel?（）.
An occulting light is one in which（）.
An all-round flashing yellow light may be exhibited by a(n)（）.