Airship Heritage Trust  
   A charitable organization currently based at Old Warden, Bedfordshire, England. It owns and looks after the national heritage archive and collection of airship artifacts, and photographs relating to the British Airship Program.
   http://www.aht.ndirect.co.uk/

Canadian Aviation Historical Society  
   Dedicated to the preservation of Canada's flying heritage.
   http://www.cahs.com/

Delaware Valley Historical Aircraft Association  
   A not-for-profit, volunteer organization dedicated to the preservation and display of the aviation history of the Delaware valley.
   http://www.dvhaa.org/

European Aviation Preservation Council  
   Provides a link for non profit organizations with the aim of preserving aircraft and related items. Details of objectives, members, information and news.
   http://www.aeronauta.com/eapc/

The International Group for Historic Aircraft Recovery  
   A full-time professional staff guides an international membership of researchers and supporters in the non-profit organization's efforts to find, save, and preserve rare and historic aircraft.
   http://www.tighar.org/

OV-10 Bronco Association  
   The Association's (a Texas non-profit corporation) goals are to preserve the history of the aircraft and the people associated with it.
   http://www.ov-10bronco.net

Swordfish Heritage Trust  
   Non profit organization preserving the history of naval aviation history. Details of aircraft, membership, restoration projects, events and history.
   http://www.flynavyheritage.org.uk/

Wisconsin Aviation Hall of Fame  
   Non profit organization preserving the aviation history of Winconsin state. Includes news, aviator profiles, and membership details.
   http://www.aviationhalloffamewisconsin.com/

Yorkshire Helicopter Preservation Group  
   Volunteer run organisation to preserve and maintain helicopter airframes and artifacts.
   http://www.helicopter-preservation-yhpg.org.uk/

Manx Aviation Preservation Society  
   Photo gallery and articles from and about the Isle of Man.
   http://www.maps.iofm.net/

East Anglian Aircraft Research Group  
   An aviation archeology group researching and recovering crashed WWII aircraft.
   http://www.sweffling.freeserve.co.uk/

Antarctic Aviation Preservation Society  
   New Zealand society dedicated to finding and preserving aircraft and relics related to Antarctic aviation.
   http://www.warbirdsite.com/aaps.html

Northern California Chapter of the American Aviation Historical Society  
   Meeting announcements, newsletter, photo galleries
   http://www.norcalaahs.org/