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 1,400 have been delivered up to September 2020 to 300 operators in 60 countries, accumulating over 5 million flight hours. It is mainly used for helicopter emergency medical services, corporate transport, law enforcement, offshore wind support, and military flight training. Half of them are in Europe and a quarter in North America. The H135M, certified under the name Eurocopter EC635, is a military variant.