单项选择题
A rigid replica of the International Code flag “A” may be shown by a vessel （）.
A.pulling a submarine cable
B.engaged in diving operations
C.engaged in underway replenishment
D.transferring explosives
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相关考题
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单项选择题
A report of casualty to a mobile offshore drilling unit must include （）.
A.the estimated cost of damage to the unit
B.an evaluation of who was at fault
C.the amount of ballast on board
D.the name of the owner or agent of the unit -
单项选择题
A report of casualty to a mobile offshore drilling unit must be made in writing to which office? （）
A.Commandant of the Coast Guard
B.Owner of the unit
C.Nearest Coast Guard Marine Safety Office
D.Captain of the nearest port -
单项选择题
A red triangular daymark marks （）.
A.the centerline of a navigable channel
B.the starboard side of a channel
C.a prominent object of navigational interest that has no lateral significance
D.an area of a channel where passing another vessel is permitted
