[2] Travelling at speeds of up to 165 knots (190 mph; 306 km/h), it can land in an area half the size of a tennis court and can reach anywhere in the two counties within twenty minutes of an emergency call.
The pilots and maintenance staff are employed by Gama Aviation, the company which leases the helicopter to the air ambulance service.
[4] The paramedics are employed by South Western Ambulance Service (SWASFT), although a number of these are paid for by the charity,[4] while critical care doctors are seconded from local NHS hospital trusts.
The HEMS desk is staffed by specific dispatchers who understand the capabilities of air ambulances and the regulations that govern the deployment.
The critical care and outreach cars are Skoda Kodiaqs which have been converted by South Western Ambulance Service NHS Foundation Trust (SWASfT) to ensure they meet all the standards and regulations of their existing fleet of rapid response vehicles.
In the year ending March 2024, the charity's income was £9.4 million and expenditure was £9.8M, of which it spent £8.6M operating its helicopter and rapid response vehicle.
[1] In 2019, the charity's patron, Somerset racing driver Jenson Button, wrote the foreword to Haynes Publishing Group's new publication Air Ambulance Operations Manual.