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
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A.power-driven vessel following a traffic lane
B.pilot vessel enroute to a pilot station
C.law enforcement vessel
D.All of the above
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
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
最新試題
A vessel not under command sounds the same fog signal as a vessel（）.
A facility used for the discharge of a cargo of a particular hazard，such as chlorine，butane or ethane，must have what to warn water traffic of an immediate danger during fire or cargo release?（）
A vessel not using a traffic separation scheme shall avoid it by as wide a（）as is practicable.
A vessel shall not（）.
A vessel sounds one short blast. This signal indicates the vessel（）.
The traffic lane（）suspended.
In a traffic separation scheme，when joining a traffic lane from the side，a vessel shall do so（）.
A vessel using a traffic separation scheme shall（）.
A vessel displaying three red lights in a vertical line is（）.
Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as（）.