Helicopters
Heliports
Misc

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LIEUTENANT E.S. NICHOLAS AND LIEUTENANT H.F. GREGORY AT AUTOGIRO FLIGHT SCHOOL
Model of a Chinook
N.Y. AVIATION SHOW GRAND CENTRAL PALACE de LACKNER HELICOPTER PROTOTYPE DESIGN
N.Y. AVIATION SHOW GRAND CENTRAL PALACE de LACKNER HELICOPTER PROTOTYPE DESIGN FROM ALTERNATE VIEW
Navy and Marine Corps Insturment Rating for Helicopter Pilot 19, Henry Tremper
PECULIAR FLIGHT CHARACTERISTICS OF THE KELLETT WINGLESS AUTOGIRO DEMOSTRATED
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter
Photo taken from a Helicopter of Charlotte North Carolina
Photo taken from a Helicopter of New York
PITCAIRN PCA-2 AUTOGIRO BELONGING TO AMELIA EARHART
Primitave Gyrodyne
Several Helicopters Lined Up
THE HERRICK CONVERTERPLANE (FORMERLY VERTAPLANE)
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