1988 on a non-stop from LAX - London (don't remember if it was Heathrow or Gatwick) in the nose of a 747. I was travelling BA with a College choir. There was also a high school group; those kids got so drunk that they were actually laying all over the floor.
Actually, what I remember most was the flight from LAX to FAT. In a PSA jet, I remember being able to see the wing. That was unusual since I couldn't see the wing on the 747 no matter how hard I tried.
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The only difference between ordinary service and extraordinary service is a little EXTRA.
-- Bob