A.bora
B.gust
C.gregale
D.floe
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A.if the compass bearing of an approaching vessel does not appreciably change
B.even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
C.if you observe both sidelights of a vessel ahead for an extended period of time
D.All of the above
A.if the compass bearing of an approaching vessel does not appreciably change
B.even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
C.if you observe both sidelights of a vessel ahead for an extended period of time
D.All of the above
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
A.in a crossing situation
B.in a meeting situation
C.when they are the overtaking vessel
D.on the inland waters of the PR China
A.velocit in knot
B.irection from which it flows
C.estimated current
D.direction toward which it flows
最新試題
Which of the following is not an operation mode of AIS?（）
It is dangerous for vessels without the operational radar（）the estuary.
In the Northern hemisphere northerly winds may cause temperature（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
What is it called when it is possible to ignite the vapour above the oil?（）
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
The helm command PORT TWENTY means（）.
A tide is called diurnal when（）.
（）is where the crew eat their meals.