單項選擇題

Which categories of NAVTEX messages may not be selectively rejected through receiver programming?（）

A.Navigational warnings
B.Weather warnings
C.SAR and distress alert information
D.All of the above

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Which action should you take after sending a false distress alert on VHF?（）

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

單項選擇題

When you are firing a pyrotechnic distress signal，it should be aimed at（）.

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

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Which categories of NAVTEX messages may not be selectively rejected through receiver programming?（）

你可能感興趣的試題

Which action should you take after sending a false distress alert on VHF?（）

When you are firing a pyrotechnic distress signal，it should be aimed at（）.

When you are firing a pyrotechnic distress signal，it should be aimed at（）.