A.stand-on vessel and would sound two short blasts
B.give-way vessel and would sound no whistle signal
C.stand-on vessel and would sound no whistle signal
D.give-way vessel and would sound two prolonged blasts followed by two short blasts
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A.two all-round red lights in a vertical line
B.two yellow towing lights in a vertical line
C.two white masthead lights in a vertical line
D.two lights on the stern，one yellow and one white
A.Three short blasts
B.A long blast
C.A prolonged blast
D.No signal is required
A.alternating red and yellow light
B.alternating white and yellow light
C.all-round white or yellow light
D.all-round white light only
A.The fishing vessel must keep clear of the vessel not under command
B.If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel
C.They must exchange whistle signals
D.Both vessels are required to take action to stay clear of each other
A.An emergency boat and crew
B.A siren or rotating flashing light
C.Flashing red lights located one-half mile upstream and downstream of the facility
D.Buoys with flashing lights controlled from shore，located one-half mile upstream anddownstream of the facility
最新試題
A power-driven vessel pushing aheador towing alongside displays navigation lights and（）.
A traffic separation zone is that part of a traffic separation scheme which（）.
A whistle signal of one prolonged，one short，one prolonged and one short blast，is sounded by a vessel（）.
You are not complying（）traffic regulations.
A power-driven vessel leaving a quay or wharf must sound what signal? （）
The traffic lane（）suspended.
A vessel using a traffic separation scheme shall（）.
Traffic separation schemes established by the International Maritime Organization（）.
A vessel displaying three red lights in a vertical line is（）.
A towing light is（）.