The Eurocopter EC135 (now Airbus Helicopters H135) is a twin-engine civil light utility helicopter produced by Airbus Helicopters (formerly known as Eurocopter). It is capable of flight under instrument flight rules (IFR) and is outfitted with a digital automatic flight control system (AFCS). First flying on 15 February 1994, it entered service in 1996 and 1,300 have been delivered up to January 2018 to 300 operators in 60 countries, accumulating over 4.5 million flight hours. It is mainly used for helicopter emergency medical services then for corporate transport, law enforcement, offshore wind and military flight training. Half of them are in Europe and a quarter in North America.
Deliveries started on 1 August 1996, when two helicopters (0005 and 0006) were handed over to Deutsche Rettungsflugwacht. The 100th EC135 was handed over to the Bavarian police force in June 1999; by which point the worldwide fleet had accumulated approximately 30,000 flight hours. In September 2003, the 300th EC135 was handed over to UK-based McAlpine Helicopters; at this point, the EC135 was the best selling new light twin-engine helicopter in the UK market.