- Archival materials (29)
- Collection descriptions (29)
- Photographs (26)
- Correspondence (23)
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- Diaries (6)
- Drawings (6)
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- Maps (6)
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- Logs (records) (4)
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- Articles (2)
- Audiocassettes (2)
- Audiotapes (2)
- Ephemera (2)
- Motion pictures (visual works) (2)
- Press releases (2)
- Brochures (1)
- Manuals (1)
- Menus (1)
- Negatives (1)
- Notebooks (1)
- Notes (1)
- Patents (1)
- Receipts (1)
- Telegrams (1)
- Timetables (1)
- Videotapes (1)
- Aeronautics (29)
- Aeronautics, Military (11)
- Air pilots (3)
- Aircraft industry (3)
- Airplanes (3)
- Gliding and soaring (3)
- World War, 1914-1918 (3)
- Aeronautics and state (2)
- Airlines (2)
- Airships (2)
- Balloons (2)
- Flight training (2)
- Helicopters (2)
- Works of art (2)
- Aerial photography (1)
- Aerial reconnaissance (1)
- Aeroanutics (1)
- Aeronautical engineers (1)
- Aeronautical instruments (1)
- Aeronautical sports (1)
- African American air pilots (1)
- Air mail service (1)
- Air travel (1)
- Airports (1)
- Astronautics (1)
- Astronautics and state (1)
- Astrophysics (1)
- Boeing 727 Family (1)
- Boeing 747SP (747-100SP) (1)
- Cold War (1)
- Continental Inc Airphibian Family (1)
- Douglas DC-9 Family (1)
- Environmental sciences (1)
- Harmon International Trophy (1)
- Helicopter transportation (1)
- Insurance, Aviation (1)
- Kellet XO-60 Autogiro (1)
- Kellet XO-61 Autogiro (1)
- Kinner K-1 (1)
- Kinner K-5 Engine (1)
- Kinner Sportster B-1 (1)
- Kinner Sportster K-100 (1)
- Kinner Sportwing B-2 (1)
- Kites (1)
- Local service airlines (1)
- Lockheed U-2 Family (1)
- Monnett Moni (homebuilt) (1)
- Photographic reconnaissance systems (1)
- Radio (1)
- Radio in aeronautics (1)
- Rohrbach Ro III Rotri Flying Boat (1)
- Security National Airster S-1-A (1)
- Security National Airster S-1-B (1)
- Sikorsky (USA) R-4 (H-4) Family (1)
- Sikorsky (USA) R-6 (H-6) Family (1)
- Sikorsky (USA) VS-300 Family (1)
- Sikorsky (USA) XR-4 (1)
- Sikorsky (USA) XR-5 (1)
- Sikorsky (USA) XR-6 (1)
- Sikorsky (USA) XR-6A (1)
- Smith (John W.) 1911 Monoplane (1)
- Smith (John W.) 1913 Monoplane (1)
- Supersonic planes (1)
- United States (1)
- Women in aeronautics (1)
- World War, 1939-1945 (1)
Our collections specialists actively work on the conservation, preservation, restoration, and long-term care of the objects in our collection. From full-scale restoration projects to applying preservation techniques and doing regular assessments, these activities form a crucial part of our stewardship of the National Collection.