Hank Davis, foreman on a huge dam project, enlists the aid of his two flyer friends when a sinister figure known as The Black Ace leads his Mystery Squadron of masked pilots in an attempt to destroy the dam.
Released: Dec 21, 1933
Runtime: 227 minutes
Stars: Bob Steele, Guinn "Big Boy" Williams, Lucile Browne, Jack Mulhall, Purnell Pratt, Robert Frazer
Crew: Colbert Clark (Director), David Howard (Director), Sherman L. Lowe (Screenplay), Al Martin (Screenplay), Barney A. Sarecky (Screenplay), Colbert Clark (Screenplay)