- Collection descriptions (11)
- Correspondence (8)
- Publications (5)
- Clippings (3)
- Financial records (2)
- Manuscripts (2)
- Press releases (2)
- Articles (1)
- Audiocassettes (1)
- Audiotapes (1)
- Biographies (1)
- Color slides (1)
- Ephemera (1)
- Logs (records) (1)
- Maps (1)
- Memorandums (1)
- Motion pictures (1)
- Newsletters (1)
- Newspaper clippings (1)
- Newspapers (1)
- Notebooks (1)
- Notes (1)
- Patents (1)
- Philately (1)
- Receipts (1)
- Resumes (1)
- Rosters (1)
- Scrapbooks (1)
- Technical drawings (1)
- Timetables (1)
- Transcripts (1)
- Aeronautics, Military (5)
- Aeronautics, Commercial (4)
- Periodicals (3)
- Airlines (2)
- Balloons (2)
- Military intelligence (2)
- Aerodynamics (1)
- Air defenses (1)
- Air mail service (1)
- Air pilots (1)
- Air travel (1)
- Airplanes (1)
- Airplanes, Military (1)
- Airports (1)
- Boeing 727 Family (1)
- Boeing 747SP (747-100SP) (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Douglas DC-9 Family (1)
- Enemy property (1)
- Flight attendants (1)
- Helicopter transportation (1)
- Helicopters (1)
- Kinetic art (1)
- Local service airlines (1)
- Seaplanes (1)
- Transatlantic flights (1)
- Women air pilots (1)
- Women in aeronautics (1)
- World War, 1914-1918 (1)
- World War, 1939-1945 (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.