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#mayday call #distress signal #sos #help #aviation distress #maritime distress #radio call

✈️⬇️🆘🚨

#boeing 747 #mayday call #emergency descent #aviation emergency #plane crash imminent #747 distress #aircraft emergency

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#SOS signal #emergency call #fire alert #distress code #mayday call #urgent help needed #danger exclamation #critical situation

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#marine emergency #vhf sos #channel 16 #distress call #boat safety radio #mayday call