The Airmail Mystery is a 1932 Universal pre-Code movie serial directed by Ray Taylor, written by Ella O'Neill, starring James Flavin and Wheeler Oakman, and featuring Al Wilson doing the aerial stunts. The Airmail Mystery was Universal's first aviation serial that set the pattern for the aviation serials and feature films to follow. The film also marks the film debut of James Flavin. The Airmail Mystery is considered a lost film.
Airmail pilot Bob Lee (James Flavin), owner of a gold mine, faces off against "The Black Hawk" (Wheeler Oakman) who has kidnapped Jimmy Ross (Al Wilson), Bob's best friend. The Black Hawk carries out a series of attacks on Bob's ore shipments by air, using an unusual catapult device that launches aircraft into the sky to intercept Bob's aircraft. With his sweetheart, Mary Ross (Lucile Browne), Bob constantly battles against his enemy, and eventually is able to defeat him.