A criminal mastermind uses a "death ray" machine to bring down government airplanes. Police dog, Silverstreak, aids in capturing the insane inventor of the machine. Masked aviator Pilot X is part of the "Air Hawks" gang who threaten the Baker Aircraft Company. Pilot X's actions are focused on stealing Baker's Aerometer, a revolutionary navigational instrument. World-famous aviatrix, Fawn Nesbitt, aids in combatting the attacks on Baker's aircraft.
Kenneth Harlan
as Blair Thompson
June Marlowe
as Helen Carson
Arthur Rankin
as Alfred Clark
William V. Mong
as Professor Ross
Paul Weigel
as Doc Carson
James Bradbury Jr.
as Stuttering Slim
Edna Mae Cooper
as
Silver Streak
as Silver Streak