WHAT'S THE INTERNATIONAL REQUEST FOR HELP USED BY SHIP CAPTAINS AND AE...

4: - CAU HOI CHO TIET CHUYEN DE CAP QUAN, HUYEN 2
CAU HOI CHO TIET CHUYEN DE CAP QUAN, HUYEN 2

4:

What's the international request for help used by ship captains and aeroplane pilots if

they are having problems?

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