- Aeronautics (2)
- Curtiss R-6 Army Racer (2)
- Aeromarine Aircraft Family (1)
- Aeronautics, Commercial (1)
- Air mail service (1)
- Aircraft industry (1)
- Albatros D.V (L24) (1)
- Bach 3CT8 (Air Yacht) (1)
- Bleriot XI Family (1)
- Boeing-Vertol CH-113 Voyageur (1)
- Brunner Winkle Bird (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 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)
- Douglas DT-2 (1)
- Fokker D.III (M 19F, M 19K) (1)
- Great Lakes 4A-1 (1)
- Junkers-Larsen JL-6 (1)
- LWF F (1)
- LWF G-2 (1)
- LWF H Owl (1)
- LWF L Butterfly (1)
- LWF V (1)
- LWF V-1 (1)
- Martin MP Mailplane (1)
- Piasecki H-21 (1)
- Sloane H-3 Trainer (1)
- Thomas-Morse S-4C (1)
- Travel Air 2000 (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.