A、Engaged in fishing
B、Mine sweeping
C、A pilot boat
D、Under sail
更多“Underway at night，a vessel displaying the lights shown is（）.”相关的问题
A、when at anchor B、only when making way C、at any time when underway D、only when the identifying lights are not being shown
A、when at anchor B、only when making way C、at any time when underway D、only when the identifying lights are not being shown
A、the lights required for a power-driven vessel underway B、only the required masthead lights C、a sternlight only D、sidelights and a sternlight
A、two red lights at night and two black balls during daylight B、two red lights at night and three black balls during daylight C、three red lights at night and two black balls during daylight D、three red lights at night and three black balls during daylight
A、only at night B、only during restricted visibility C、at night and during restricted visibility D、at all times
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