The Sky Hawk
 The Sky Hawk is a 1929 American adventure film directed by John G. Blystone and starring Helen Chandler John Garrick and Gilbert Emery. Blystone's brother Jasper was the assistant director. Ralph Hammeras created a large-scale miniature of the city of London for the film and also created special mechanical effects. It was a full sound film. The screenplay was adapted by Llewellen Hughes from his article Chap Called Bardell. The Sky Hawk was novelized by Guy Fowler.