- Aeronautics, Commercial (3)
- Aeronautics, Military (3)
- World War, 1914-1918 (3)
- Bleriot XI Family (2)
- Curtiss JN-4 Jenny (2)
- Curtiss R-6 Army Racer (2)
- Dorand A.R. (Avion de Reconnaissance) Series (2)
- Aerial photography (1)
- Aeromarine Aircraft Family (1)
- Aeronca C-1 Cadet (1)
- Air pilots (1)
- Aircraft accidents (1)
- Aircraft industry (1)
- Airplanes (1)
- Albatros D.V (L24) (1)
- Boeing B-17 Flying Fortress Family (1)
- Burnelli (Uppercu-Burnelli) X-3 (GX-3)(Guggenheim Prize) (1)
- Consolidated (Fleet) PT-6 Family (1)
- Consolidated B-24 Liberator (1)
- Curtiss CR-1 Racer (Model 23, L-17-1) (1)
- Curtiss CR-2 Racer (Model 23, L-17-2) (1)
- Curtiss CR-3 Racer (1)
- Curtiss HA Dunkirk Fighter (1)
- Curtiss HS-1L (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss JN-4Can Canuck (1)
- Curtiss L (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-2 (P2N-1) (1)
- Curtiss NC-3 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss Navy Racers (1)
- Curtiss Pusher R (1)
- Deperdussin Aircraft Family (1)
- Dornier Do 17 Family (1)
- Douglas A-20 Havoc Family (1)
- Douglas DT-2 (1)
- Gallaudet Type C Military Tractor Biplane Family (1)
- Handley Page O/400 (1)
- Heinkel He 111 Family (1)
- Heinrich (Aeroplane Co) 1915 Model C Monoplane (1)
- Heinrich (Aeroplane Co) 1915 Model E Family Military Tractor Biplane (1)
- Huntington (CT) Aircraft Family (1)
- LFG Roland D.VI (1)
- LWF F (1)
- LWF G-2 (1)
- LWF H Owl (1)
- LWF L Butterfly (1)
- LWF V (1)
- LWF V-1 (1)
- Lockheed Model 3 Air Express (1)
- Martin B-26 Marauder Family (1)
- Moisant (Monoplane Co) 1914 Bluebird Monoplane (1)
- Nieuport (France) 28 (1)
- Nieuport Aircraft Family (1)
- Northrop P-61A Black Widow (1)
- SPAD XIII (S.13) (1)
- Salmson Aircraft Family (1)
- Schmitt (Maximilian) 1915 Monoplane (1)
- Sikorsky (USA) C-6 (1)
- Sloane H-3 Trainer (1)
- Sopwith 1 1/2 Strutter Family (1)
- Thomas-Morse S-4C (1)
- Travel Air 2000 (1)
- Vought O2U-1 Corsair (1)
- World War, 1939-1945 (1)
- Wright (Co) Model B (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.