RAF BARKSTON HEATH (EGYE) FOR fsx. RAF Barkston Heath is the home of the Defence Elementary Flying Training School (DEFTS) which operates the Slingsby T67M260 Firefly two seat trainer. A secondary role of RAF Barkston Heath is as a Relief Landing Ground for the flying training activities at RAF Cranwell. General Information http: en. wikipedia. org wiki RAFBarkstonHeath installation Instructions Just place the EGYEADEXGB. BGL and the EGYEADEXGBCVX. bgl files into the addon Scenery folder, within the Scenery folder. eg. c:GamesFSX Addons SceneryScenery Enjoy. G Barnes UK.