When Michael Scanlon drives up to the SunSail cruise ship in Florida to see Gus Boulis, the front of his rental car has a Florida license plate. Additionally, another car appears with a Florida license on the front. License plates for automobiles are printed on one tag only and must be placed on the rear of the vehicle. Only commercial tractor trucks carry Florida plates on the front.
When Jack is shown teaching screen-writing to fellow inmates, he has written on the board the film title 'Papillion' rather than 'Papillon'.