The Airmail Mystery
A pilot and a gold mine owner go up against the evil Black Hawk, who has invented a plane that can take off and land without using a runway.
- Անր: Adventure
- Ստուդիա: Universal Pictures
- Հիմնաբառը: movie serial
- Դերասանական կազմ: James Flavin, Lucile Browne, Wheeler Oakman, Frank Hagney, Sidney Bracey, Nelson McDowell
