| flynavyheritage.org.uk | Swordfish Heritage Trust |
| dvhaa.org | Delaware Valley Historical Aircraft Association |
| cahs.com | Canadian Aviation Historical Society |
| ndirect.co.uk | The Airship Heritage Trust |
| aeronauta.com | European Aviation Preservation Council |
| aviationhalloffamewisconsin.com | Wisconsin Aviation Hall of Fame |
| ov-10bronco.net | OV-10 Bronco Association |
| norcalaahs.org | Northern California Chapter of the American Aviation Historical Society |
| iofm.net | Manx Aviation & Military Preservation Society |
| helicopter-preservation-yhpg.org.uk | Yorkshire Helicopter Preservation Group |
| ionet.net | www.ionet.net/ |
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