- Archival materials (46)
- Collection descriptions (46)
- Photographs (35)
- Correspondence (16)
- Certificates (4)
- Programs (4)
- Aerial photographs (3)
- Ephemera (3)
- Maps (3)
- Newsletters (3)
- Articles (2)
- Logs (records) (2)
- Publications (2)
- Reports (2)
- Speeches (2)
- Advertisements (1)
- Audiotapes (1)
- Biographies (1)
- Cartoons (humorous images) (1)
- Drawings (1)
- Financial records (1)
- Invoices (1)
- Memoranda (1)
- Notes (1)
- Pamphlets (1)
- Aeronautics (42)
- Aeronautics, Commercial (19)
- Aeronautics, Military (14)
- Air pilots (8)
- World War, 1914-1918 (8)
- Aircraft industry (6)
- Flight training (5)
- Aerial photography (4)
- Air travel (4)
- Airlines (4)
- Women in aeronautics (4)
- World War, 1939-1945 (4)
- Airplanes (3)
- Astronautics (3)
- Transpacific flights (3)
- Women air pilots (3)
- Air mail service (2)
- Burgess Aircraft Family (2)
- Fighter pilots (2)
- Manned space flight (2)
- Travel Air aircraft family (2)
- Aerial gunnery (1)
- Aero Club of America Medal (1)
- Aeronautics and state (1)
- Aeronca C-1 Cadet (1)
- Aircraft accidents (1)
- Aircraft carriers (1)
- Airplane racing (1)
- Airships (1)
- Albatros D.Va (L24) (1)
- Arctic medicine (1)
- Astronautics and state (1)
- Astronauts (1)
- Autogiros (1)
- Automobile racing (1)
- Aviation medicine (1)
- Bleriot Aircraft Family (1)
- Boeing 314 Clipper Family (1)
- Burgess-Wright Aircraft Family (1)
- Burnelli (Uppercu-Burnelli) X-3 (GX-3)(Guggenheim Prize) (1)
- Cessna 205 (1)
- Cessna Aircraft Company (1)
- Cold War (1)
- Consolidated (Fleet) PT-6 Family (1)
- Curtiss Condor Family (1)
- Curtiss JN-4 Jenny Family (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)
- Deperdussin Aircraft Family (1)
- Flights around the world (1)
- Ford Tri-Motor Family (1)
- Gliders (Aeronautics) (1)
- Gliding and soaring (1)
- Indians of Central America (1)
- International relations (1)
- Jet propulsion (1)
- Kellett Autogiro Family (1)
- Langley Aerodrome A, Curtiss 1914 Rebuild (1)
- Licenses (1)
- Lockheed 5C Vega "Winnie Mae" (2nd Post Vega) (1)
- Lockheed Model 3 Air Express (1)
- Lockheed P2V-5F (P-2E) Neptune (1)
- Martin JRM Mars Family (1)
- Michelin Cup (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- National Aeronautical Association (U.S.) (1)
- Naval aviation (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Pitts S-1 Special (1)
- Pitts aircraft (1)
- Railroad travel (1)
- Rescue dogs (1)
- Rescue work (1)
- Rescues (1)
- Rocketry (1)
- Rockets (Aeronautics) (1)
- Seaplanes (1)
- Sikorsky (USA) C-6 (1)
- Sloane Aircraft Family (1)
- Space flight (1)
- Space race (1)
- Stunt flying (1)
- Test pilots (1)
- Transatlantic flights (1)
- Vostok (manned satellite) (1)
- Vought O2U-1 Corsair (1)
- Waco 10 Family (Aircraft) (1)
- Works of art (1)
- Wright (Brothers) 1903 Flyer (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.