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.
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Verdict: Unknown
> Colbert Clark (Director)
> David Howard (Director)
> Alvin Wyckoff (Director of Photography)
> William Nobles (Director of Photography)
> Ernest Miller (Director of Photography)
> Sherman L. Lowe (Screenplay)
> Al Martin (Screenplay)
> Barney A. Sarecky (Screenplay)
> Colbert Clark (Screenplay)
> David Howard (Screenplay)
> Wyndham Gittens (Screenplay)
