- Archival materials (8)
- Collection descriptions (8)
- Correspondence (6)
- Photographs (6)
- Publications (5)
- Manuscripts (3)
- Audiocassettes (2)
- Clippings (2)
- Drawings (2)
- Motion pictures (visual works) (2)
- Notes (2)
- Reports (2)
- Scrapbooks (2)
- Articles (1)
- Biographies (1)
- Catalogs (1)
- Charts (1)
- Diaries (1)
- Financial records (1)
- Manuals (1)
- Maps (1)
- Newsletters (1)
- Posters (1)
- Press releases (1)
- Slides (photographs) (1)
- Videotapes (1)
- Aeronautics, Military (3)
- Air travel (2)
- Airlines (2)
- Periodicals (2)
- Aeronautical engineers (1)
- Aeronautics and state (1)
- Air mail service (1)
- Air pilots (1)
- Aircraft industry (1)
- Airplanes (1)
- Airports (1)
- Boeing 747 Family (1)
- Concorde (Jet transports) (1)
- Concorde, Production Airframe (1)
- Helicopters (1)
- Helicopters, Home-built (1)
- High-speed aeronautics (1)
- Hijacking of aircraft (1)
- Noise pollution (1)
- Rotorway RW 133 Scorpion Helicopter (1)
- Supersonic planes (1)
- Supersonic transport planes (1)
- Television advertising (1)
- Travel (1)
- Tupolev Tu-144 Charger Family (1)
- World War, 1914-1918 (1)
- advertising (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.