A.Only when there is a chance of their being seen by rescue vessels
B.At half hour intervals
C.At one hour intervals
D.Immediately upon abandoning the vessel
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A.Navigational warnings
B.Weather warnings
C.SAR and distress alert information
D.All of the above
A.Send a DSC cancellation message on Ch-70
B.Make a voice announcement to cancel the alert on Ch-16
C.Make a voice announcement to cancel the alert on Ch-13
D.Make a voice announcement to cancel the alert on Ch-22A
A.straight overhead
B.at the vessel whose attention you are trying to get
C.into the wind
D.about 60 degrees above the horizon
A.Immediately upon abandoning the vessel
B.Only when there is a chance of their being seen by a rescue vessel
C.At one hour intervals
D.At half hour intervals
A.position will automatically be sent
B.position will only be sent if the vessel is making a distress call
C.MMSI will indicate its ocean region
D.None of the above
最新試題
Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE? （）
If you log a distress message，it must include the（）.
Distress signals may be（）.
What is NOT a distress signal?（）
Which condition represents the appropriate time for setting off distress flares and rockets? （）
The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.
The service life of distress signals must be not more than（）.
Three short blasts of the whistle means（）.
Which is NOT a distress signal? （）
Which action should you take after sending a false distress alert on VHF?（）