List of last seen helicopters in North Yorkshire AirbusAHH175 5030 HKS306A / G-EMEB AirbusAHAS365N3+ Dauphin 2 6979 GNHAD / G-NHAD AirbusAHH145D2 / EC145T2 20289 HM99 / G-GMAH List of helicopters operators in North Yorkshire 275 Squadron RAF Linton-on-Ouse Thornaby 3 Flight RAF Topcliffe 655 Squadron RAF Topcliffe 656 Squadron AAC Dishforth 657 Squadron AAC Dishforth 659 Squadron AAC Dishforth 660 Squadron RAF Topcliffe 661 Squadron AAC Dishforth 664 Squadron AAC Dishforth 666 Squadron (Volunteers) RAF Topcliffe 669 Squadron AAC Dishforth 672 Squadron AAC Dishforth RAF Topcliffe 9 Regiment, AAC AAC Dishforth RAF Topcliffe Field of Dreams Breaks Fold Farm Nork Yorshire Police AAC Dishforth Yorkshire Air Ambulance RAF Topcliffe @ (optional) Send