The Midlands Air Ambulance spent £6.026 million from April 2010 to April 2011. It received £5.32 million from charities, £640,000 from trading and other smaller sums.
Scotland's two air ambulance helicopters have been grounded amid safety fears over the Eurocopter aircraft.
Half of the UK's helicopter air ambulance fleet is grounded over fears about potential cracks in the aircraft's rotor hub.
