A.At one hour intervals
B.At half hour intervals
C.Only when there is a chance of their being seen by rescue vessels
D.Immediately upon abandoning the vessel
您可能感興趣的試卷
你可能感興趣的試題
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
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
最新試題
When you are firing a pyrotechnic distress signal，it should be aimed at（）.
When sending a DSC call，the vessel’s（）.
Upon receipt of a distress message，a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?（）
Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）
What is NOT a distress signal?（）
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
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（）.
Wat is NOT required in the radiotelephone log?（）
Distress flares and smoke signals for small passenger vessels（）.