mythologyandhistory

Did you know that if you are an #airline #pilot & get #hijacked, you have to only type "7500" into the transponder & all air traffic controllers will know what's up?

#randomfact #aviation

Mar 19 at 6:12amWeb
Show threadClemens4d ago

@mythologyandhistory
75, man with knife
76, on the radio nix
77, going to heaven

That's how @planeemergency or @SquawkAlert work(ed), for example.