Supermarine Spitfire BL922 crash at R.A.F. Ballyhalbert, Co. Down By Scott Edgar 9th September 2017 On 5th October 1943, Sergeant Henryk Andrzej Flegier's Supermarine Spitfire came down about a mile away from Ballyhalbert Airfield, Co. Down. Remembering the Fallen Charles Decker Mills Sergeant | 5671243 Charles Decker Mills of Hillview Street, Belfast served in India with The Parachute Regiment at the time of his death on 5th October 1942.