Mystery Squadron: Chapter 1 - The Black Ace

Mystery Squadron: Chapter 1 - The Black Ace

Rejissyor: Nat Levine. Taken from IMDB : 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. Mystery Squadron: Chapter 1 - The Black Ace Mystery Squadron: Chapter 2 - The Fatal Warning Mystery Squadron: Chapter 3 - The Black Ace Strikes Mystery Squadron: Chapter 4 - Men of Steel Mystery Squadron: Chapter 5 - The Death Swoop Mystery Squadron: Chapter 6 - Doomed Mystery Squadron: Chapter 7 - Enemy Signals Mystery Squadron: Chapter 8 - The Canyon of Calamity Mystery Squadron: Chapter 9 - The Secret of the Mine Mystery Squadron: Chapter 10 - Clipped Wings Mystery Squadron: Chapter 11 - The Beast at Bay Mystery Squadron: Chapter 12 - The Ace of Aces

https://archive.org/details/mystery_squadron_ep1 · Public domain (Internet Archive)