- Archival materials (14)
- Collection descriptions (14)
- Photographs (8)
- Scrapbooks (6)
- Correspondence (5)
- Reports (5)
- Clippings (4)
- Brochures (3)
- Maps (3)
- Newsletters (3)
- Audiotapes (2)
- Ephemera (2)
- Manuals (2)
- Motion pictures (visual works) (2)
- Publications (2)
- Advertisements (1)
- Annual reports (1)
- Business records (1)
- Certificates (1)
- Financial records (1)
- Memorabilia (1)
- Memoranda (1)
- Microfiche (1)
- Microfilms (1)
- Newspapers (1)
- Notebooks (1)
- Notes (1)
- Photographic prints (1)
- Postcards (1)
- Press releases (1)
- Slides (photographs) (1)
- Speeches (1)
- Tickets (1)
- Timetables (1)
- Aeronautics (12)
- Airlines (9)
- Airplanes (2)
- Boeing 727 Family (2)
- Local service airlines (2)
- Railroad travel (2)
- Air mail service (1)
- Airports (1)
- Airtech CN-235 (1)
- Boeing 314 Clipper Family (1)
- Boeing 747 Family (1)
- Boeing 747SP (747-100SP) (1)
- Boeing Model 727-100 (1)
- British Aerospace Jetstream Family (1)
- Budd RB-1 Conestoga (1)
- CASA CN-235 (1)
- Canadair Regional Jet (RJ) (1)
- Consolidated PBY-5 Catalina (1)
- Curtiss Condor Family (1)
- Douglas DC-9 Family (1)
- Ford Tri-Motor Family (1)
- Periodicals (1)
- SAAB-Fairchild SF-340 (1)
- Television advertising (1)
- Transpacific flights (1)
- Travel (1)
- advertising (1)
- de Havilland (Canada) DHC-7 Dash 7 Family (1)
- de Havilland (Canada) DHC-8 Dash 8 Family (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.