- Aeronautics (6)
- Aeronautics, Military (2)
- Aerial photography (1)
- Air travel (1)
- Aircraft industry (1)
- Airlines (1)
- Autogiros (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Grumman Aircraft Family (1)
- Herrick Vertaplane Family (1)
- Herrick rotary engine (1)
- Junkers W 33 Family (1)
- Junkers W 33b "Bremen" (1)
- Klemm L-20 "Yankee Doodle" (1)
- Periodicals (1)
- Test pilots (1)
- Transatlantic flights (1)
- Women in aeronautics (1)
- Women test pilots (1)
- World War, 1914-1918 (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.