 The film's aerial shots were a combination of live action footage, models, and cockpit mock-ups of Consolidated PT-3 flight trainers, and aircraft of an earlier vintage, Curtiss Model D (replica), Curtiss JN-4 and Fokker D.VII.Aerial photography was shot by noted aerial cinematographer Elmer Dyer with Hollywood film pilot Paul Mantz (uncredited) performing some of the aerial stunts.Although Mantz was in charge of the aerial portion of the film, Frank Clarke did the majority of the flying in his Travel Air Speedwing.