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.
1946
1945
1944
1929
2006
2005
1935
1954
1916
2022
1948
2015
1917
1923
1940
1937
1939
1938
