- Aeronautics (6)
- Aeronautics, Military (3)
- Air pilots (3)
- Aeronautics, Commercial (2)
- Aeronautical engineers (1)
- Air mail service (1)
- Aircraft industry (1)
- Albatros D.Va (L24) (1)
- Cessna Aircraft Company (1)
- Curtiss JN-4 Jenny Family (1)
- Junkers W 33 Family (1)
- Junkers W 33b "Bremen" (1)
- Klemm L-20 "Yankee Doodle" (1)
- National Aeronautical Association (U.S.) (1)
- Transatlantic flights (1)
- Women in aeronautics (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.