The Air Hawk

Al Parker ( Al Wilson ), an aviator and Secret Service agent, is assigned to investigate a gang of bandits who have been robbing a platinum mine on the Mexican-American border. The superintendent of the mine John Ames ( Emmett King ), is killed when he discovers a secret passage used by the bandits, and his daughter, Edith ( Virginia Brown Faire ), assumes the running of the mine. Edith is kidnapped by the gang's leader, McLeod ( Lee Shumway ), who makes his escape in a waiting airplane. Al, "The Air Hawk," gives chase, leaping between the planes in flight and beating McLeod in a desperate struggle. Al is then happily reunited Edith, with whom he has fallen in love. - IMDb