Brian,
Are you referring to the story they made into a film.... I think it was called "Catch me if you can".
Don't think he ever flew "up front" but use to tag along as standby crew, but his real ploy was forging Pam Am cheques. Heard he ended up actually working for the blokes that nabbed him.... the FBI
Great Film
With OZ security ASIC cards, I have been mistaken for Qantas crew.... same coloured card etc...... more than once.... scary.... that is, me being capable of getting up front........ I'd sh
t myself.