- Aeronautics (11)
- Aeronautics, Commercial (5)
- Air pilots (3)
- Aircraft industry (3)
- Aeronautics, Military (2)
- Airlines (2)
- Airplanes (2)
- Women in aeronautics (2)
- World War, 1914-1918 (2)
- Air travel (1)
- Arctic medicine (1)
- Autogiros (1)
- Aviation medicine (1)
- Burgess Aircraft Family (1)
- Cessna 205 (1)
- Curtiss Model H "America" (H-1) (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Flight training (1)
- Jet propulsion (1)
- Kellett Autogiro Family (1)
- Langley Aerodrome A, Curtiss 1914 Rebuild (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Rescue dogs (1)
- Rescue work (1)
- Rescues (1)
- Seaplanes (1)
- Transatlantic flights (1)
- Transpacific flights (1)
- Travel Air aircraft family (1)
- Waco 10 Family (Aircraft) (1)
- Women air pilots (1)
- Wright (Brothers) 1903 Flyer (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.