Rackstraw

The investigators believe the 'RWR' in the coding is Rackstraw's initials and that it also indicated that he expected a get-out-of-jail card from the federal spy agency if he was captured.

But a letter believed to have been written by Cooper and sent to news outlets after the skyjacking has led Colbert’s team back to a likely suspect — Vietnam War veteran Robert W. Rackstraw, who was investigated by the FBI in the late 1970s.

Or that an experienced jumper like Rackstraw would not have chosen a reserve chute that was clearly marked as non-functional.

He hands her to Captain Rackstraw.

Ralph Rackstraw, "the smartest lad in all the fleet", enters, declaring his love for the Captain's daughter, Josephine.