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.
| Directing | Colbert Clark | Director |
| Directing | David Howard | Director |
| Writing | Sherman L. Lowe | Screenplay |
| Writing | Al Martin | Screenplay |
| Writing | Barney A. Sarecky | Screenplay |
| Writing | Colbert Clark | Screenplay |
| Writing | David Howard | Screenplay |
| Writing | Wyndham Gittens | Screenplay |
| Production | Nat Levine | Producer |
| Sound | Lee Zahler | Music |
| Editing | Earl Turner | Editor |
| Crew | Yakima Canutt | Stunts |
| Crew | George Magrill | Stunts |
| Camera | Alvin Wyckoff | Director of Photography |
| Camera | William Nobles | Director of Photography |
| Camera | Ernest Miller | Director of Photography |
| Sound | Terry Kellum | Sound Recordist |
