where is essex and herts air ambulance based
Essex & Herts Air Ambulance Since fundraising began in 1997, Essex & Herts Air Ambulance has flown over 20,000 missions[1] â€“ being deployed, on average, four to five times per day. The helicopters and Rapid Response Vehicles (RRVs) are based at Earls Colne Airfield and North Weald Airfield.[2]