單項(xiàng)選擇題

Vessel engaged in the launching or recovery of aircraft is called（）．

A.A vessel restricted in her ability to maneuver
B.A vessel not under command
C.A vessel constrained by her draught
D.A vessel not under way

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單項(xiàng)選擇題

Underway at night，a vessel displaying the lights shown is（）.

A.Engaged in fishing
B.Mine sweeping
C.A pilot boat
D.Under sail

單項(xiàng)選擇題

Under what condition are you allowed to depart from the rules of the road（）.

A.To avoid immediate danger
B.When authorized by the rig superintendent
C.To comply with an operator's requirement
D.Under no conditions