- Archival materials (64)
- Photographs (45)
- Correspondence (28)
- Publications (17)
- Scrapbooks (15)
- Clippings (14)
- Financial records (8)
- Reports (8)
- Maps (7)
- Drawings (6)
- Newsletters (6)
- Motion pictures (visual works) (5)
- Articles (4)
- Ephemera (4)
- Logs (records) (4)
- Manuscripts (4)
- Diaries (3)
- Manuals (3)
- Albums (2)
- Annual reports (2)
- Audiotapes (2)
- Brochures (2)
- Negatives (2)
- Notes (2)
- Programs (2)
- Tickets (2)
- Timetables (2)
- Advertisements (1)
- Aerial photographs (1)
- Audiocassettes (1)
- Black-and-white negatives (1)
- Business records (1)
- Color slides (1)
- Film reels (1)
- Labels (1)
- Memorabilia (1)
- Memoranda (1)
- Newspapers (1)
- Notebooks (1)
- Pamphlets (1)
- Photograph albums (1)
- Photographic prints (1)
- Postcards (1)
- Press releases (1)
- Slides (35mm transparencies) (1)
- Slides (photographs) (1)
- Telegrams (1)
- Transcripts (1)
- Video recordings (1)
- Videotapes (1)
- Aeronautics (59)
- Aeronautics, Military (26)
- Airlines (18)
- Airplanes (11)
- Air pilots (10)
- Periodicals (10)
- Aircraft industry (8)
- Air travel (7)
- Women in aeronautics (6)
- World War, 1939-1945 (6)
- Airports (5)
- Women air pilots (5)
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- World War, 1914-1918 (4)
- Airships (3)
- Aeronautical instruments (2)
- Aeronautics and state (2)
- African American air pilots (2)
- Autogiros (2)
- Boeing Model 377 Stratocruiser Family (2)
- Burgess Aircraft Family (2)
- Curtiss Condor Family (2)
- Douglas DC-7 (2)
- Gliding and soaring (2)
- Helicopters (2)
- Korean War, 1950-1953 (2)
- Lockheed Model 1049D Super Constellation (2)
- Railroad travel (2)
- Works of art (2)
- Aerial reconnaissance (1)
- Aero Spacelines Guppy Family (1)
- Aeronautical engineers (1)
- Aeronautics in art (1)
- African American women air pilots (1)
- Airlift, Military (1)
- Airplanes, Military (1)
- Alfred V. Verville (1)
- Astronautics (1)
- Astronauts (1)
- Balloons (1)
- Bell P-39 Airacobra Family (1)
- Bell P-59 Airacomet Series (1)
- Bell P-63 Kingcobra Family (1)
- Bell YFM-1 Airacuda (1)
- Benoist Type XIV (1)
- Berlin (Germany) (1)
- Bleriot XI Family (1)
- Boeing 727 Family (1)
- Boeing 747 Family (1)
- Boeing 747SP (747-100SP) (1)
- Boeing B-29 Superfortress (1)
- Boeing B-52 Stratofortress Family (Model 464) (1)
- Boeing C-97 Stratofreighter Family (Model 367) (1)
- Boeing Model 314 Clipper Family (1)
- Buhl-Verville Aircraft Co (1)
- Burgess-Wright Aircraft Family (1)
- Canadair CL-44 (CC-106 Yukon) (1)
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- Cessna 205 (1)
- Christofferson Aircraft Family (1)
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- Curtiss JN-4 Jenny Family (1)
- Curtiss JN-4Can Canuck (1)
- Curtiss Kingbird Family (Model 55) (1)
- Curtiss Pusher R (1)
- Curtiss Robin Family (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Deperdussin Aircraft Family (1)
- Diamond mines and mining (1)
- Dornier Do J Wal (Whale)(Do 16) (1)
- Douglas C-47 Skytrain Family (1)
- Douglas C-54 Skymaster Family (1)
- Douglas DC-3 Family (1)
- Douglas DC-4 (1)
- Douglas DC-6 (1)
- Douglas DC-8-55 (1)
- Douglas DC-8-63 (Super DC-8) (1)
- Douglas DC-9 Family (1)
- Fighter pilots (1)
- Flight attendants (1)
- Ford Tri-Motor Family (1)
- Gallaudet Type C Military Tractor Biplane Family (1)
- Gliders (1)
- Grumman Aircraft Family (1)
- Harmon International Trophy (1)
- Heinrich (Aeroplane Co) 1915 Model C Monoplane (1)
- Heinrich (Aeroplane Co) 1915 Model E Family Military Tractor Biplane (1)
- Helicopter transportation (1)
- Herrick Vertaplane Family (1)
- Herrick rotary engine (1)
- Huntington (CT) Aircraft Family (1)
- Inertial navigation (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.