Display Status This object is not on display at the National Air and Space Museum. It is either on loan or in storage. Identifier



bulk 1934-1945


Lee M. Gunther-Mohr, Gift, 1999


0.15 Cubic feet ((3 folders))


No restrictions on access.


Collection descriptions

Archival materials

Scope and Contents

This collection consists of thirty-five photographs of helicopter and autogiros, many undergoing testing by the United States Navy. Craft featured include the Pitcairn PA-22 Cabin Autogiro, Hiller XHOE-1 (Hiller HJ-1) Hornet (serial number 46446) and Sikorsky (VS-316A, S-48) HNS-1 (39046 and 39050). Locations include the U.S. Naval Air Station, Patuxent River, MD; the C.G. Air Station, Brooklyn, NY; and on the sea as the Royal Navy conducts shipboard tests on the British freighter MV Daghenstan. Also included is a 33' by 17' drawing of a Pitcairn Autogiro ca. 1934-1935 and the short memoir, 'The Story of Flight 1917-1919 and Recollections of Its Members.'


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Topics Aeronautics
World War, 1939-1945
Pitcairn PA-22 Cabin Autogiro
Sikorsky (VS-316A, S-48) Hoverfly Mk.1
Hiller XHOE-1 (Hiller HJ-1) Hornet


Helicopter and Autogiro Testing Collection, Accession number 1999-0025, National Air and Space Museum, Smithsonian Institution.

Archival Repository

National Air and Space Museum Archives

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