A.shown below the sternlight
B.white in color
C.displayed at the masthead
D.a yellow light having the same characteristics as the stern light
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A.shown at the bow
B.white in color
C.shown in addition to the sternlight
D.an all-round light
A.flashes at regular intervals of 50-70 flashes per minute
B.is yellow in color
C.shows an unbroken light over an arc of the horizon of not less than 180°nor more than 225°
D.All of the above
A.engaged on pilotage duty
B.in distress
C.at anchor
D.being overtaken in a narrow channel
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.power-driven vessel following a traffic lane
B.pilot vessel enroute to a pilot station
C.law enforcement vessel
D.All of the above
最新試題
A vessel navigate in areas near the termination of traffic separation schemes shall do（）with particular caution.
The traffic lane（）suspended.
A sailing vessel shall not impede the safe passage of a（）.
A vessel constrained by her draft may display（）.
A 20-meter power-driven vessel pushing ahead or towing alongside will display（）.
Is it clear（）traffic lane?
A vessel not under command sounds the same fog signal as a vessel（）.
A traffic separation zone is that part of a traffic separation scheme which（）.
Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as（）.
A whistle signal of one prolonged，one short，one prolonged and one short blast，is sounded by a vessel（）.