- Archival materials (8)
- Collection descriptions (8)
- Correspondence (2)
- Maps (2)
- Motion pictures (visual works) (2)
- Newsletters (2)
- Photographs (2)
- Annual reports (1)
- Catalogs (1)
- Diaries (1)
- Gigabytes (1)
- Memoranda (1)
- Notebooks (1)
- Photograph albums (1)
- Photographic postcards (1)
- Programs (1)
- Reports (1)
- Research (1)
- Scrapbooks (1)
- Aeronautics, Commercial (3)
- Aeronautics, Military (3)
- Airlines (2)
- Airplanes (2)
- Aerial photography (1)
- Aeronautical engineers (1)
- Aeronautical instruments (1)
- Air travel (1)
- Aircraft supplies industry (1)
- Airlift, Military (1)
- Airplanes, Military (1)
- Antoinette Aircraft Family (1)
- Berlin (Germany) (1)
- Bleriot Aircraft Family (1)
- Boeing 747 Family (1)
- Breguet Aircraft Family (1)
- Bristol Aircraft Family (1)
- Burgess Aircraft Family (1)
- Canadair CL-44 (CC-106 Yukon) (1)
- Cargo (1)
- Curtiss X-19 VTOL (1)
- Curtiss, General, Aircraft (1)
- Deperdussin Aircraft Family (1)
- Douglas DC-8-55 (1)
- Douglas DC-8-63 (Super DC-8) (1)
- Ford Tri-Motor Family (1)
- Gallaudet Type C Military Tractor Biplane Family (1)
- Helicopter ambulances (1)
- Helicopter pilots (1)
- Helicopters (1)
- Inertial navigation (1)
- Korean War, 1950-1953 (1)
- Lockheed Aircraft Family (1)
- Lockheed Model 1049D Super Constellation (1)
- Moisant (Monoplane Co) 1914 Bluebird Monoplane (1)
- Nieuport Aircraft Family (1)
- Propellers, Aerial (1)
- SPAD Aircraft Family (1)
- Sikorsky (USA) CH-53A Sea Stallion (1)
- Sloane Aircraft Family (1)
- United States (1)
- Vietnam War, 1961-1975 (1)
- Voisin Aircraft Family (1)
- Wind tunnels (1)
- Women air pilots (1)
- Women in aeronautics (1)
- World War, 1914-1918 (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.