A、one sidelight and the masthead light are visible
B、the vessels will pass closer than half a mile
C、both vessels sound one prolonged blast
D、both sidelights and masthead light(s) are visible
更多“A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and （）.”相关的问题
A、head-on situation B、crossing situation C、overtaking situation D、close-quarters situation
A、A. Put head line on winch! B、B. Put stern line on winch! C、C. Hold on head line! D、D. Heave in head line.
A、alter course to starboard and pass port to port B、alter course to port and pass starboard to starboard C、decide on which side the passage will occur by matching whistle signals D、slow to bare steerageway
A、On their side if unconscious B、Head down and feet up，no injuries to face or head C、Flat on their back with head and feet at the same level D、Arms above their head
A、a vessel meeting another head-on B、a vessel overtaking another in a narrow channel C、a vessel crossing the course of another D、the give-way vessel in a crossing situation
A、one sidelight B、one sidelight and a masthead light C、one sidelight and two masthead lights D、both sidelights of a vessel and her masthead light(s)
A、Both vessels must be power-driven B、They must be meeting on reciprocal or nearly reciprocal courses C、The situation must involve risk of collision D、All of the above
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