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
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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
A.have
B.have been
C.has
D.has been
A.cow
B.lot
C.cbt
最新試題
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Manoeuvring information can not be obtained from（）.
The helm command PORT TWENTY means（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Which of the following shall not the officers in charge of the navigational watch do?（）
According to the relevant regulation, lifeboat should be powered by（）.
Bales close to the deckhead should be covered to prevent（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The dew point temperature is（）.
When steering by autopilot,how often should the steering be checked?（）