Sounds like a job for Mythbusters.

"Daryl Bryant" schreef in bericht
...
That's a heavy...

A new Air France Airbus A320 making what was supposed to be a fly-by at a
1998 airshow. The pilot claims the highly automated control system on the
A320 failed to respond properly to commands. The official investigation
blamed pilot error as the cause, but it was later revealed that the
aircraft
's black boxes had been switched after the crash. What do you suppose
really
happened?