- Aeronautics (2)
- Aeronautics, Commercial (2)
- Air travel (1)
- Aircraft industry (1)
- Curtiss Kingbird Family (Model 55) (1)
- Curtiss Robin Family (1)
- Ford Tri-Motor Family (1)
- Junkers-Larsen JL-6 (1)
- LWF H Owl (1)
- R 34 (British Rigid Airship) (1)
- Railroad travel (1)
- Sikorsky (USA) S-38 Amphibion Family (1)
- de Havilland (Airco) D.H.4 (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.