The Shadow of the Eagle (1932)

A 12 episode serial. A major corporation is receiving unusual threats written in the sky by a mystery pilot known only as the Eagle. There is suspicion that the mystery figure is traveling fair ground owner Nathan Gregory, When Gregory goes missing, ace pilot Craig McCoy is hot on the trail.

Released Feb. 1, 1932 18 min Episode 18 min None+

Keywords: imdb.airplane-pilot, imdb.short-wave-radio, imdb.muscleman