List of last seen helicopters in Cambridgeshire AirbusAHH145D2 / EC145T2 20012 G-HEMC List of helicopters operators in Cambridgeshire 1448 (Radar Calibration) Flight Duxford 21st Special Operations Squadron RAF Alconbury 230 Squadron RAF Wittering 5 Radio Maintenance Unit Calibration Flight Duxford 657 Squadron Oakington 67th Special Operations Squadron RAF Alconbury 74 Wing Calibration Flight Duxford 7th Special Operations Squadron RAF Alconbury East Anglian Air Ambulance Cambridge / Teversham RAF Wyton Magpas Air Ambulance RAF Alconbury RAF Wyton @ (optional) Send