Eurocopter EC135 / H135

The Airbus Helicopters H135 is a twin-engine civil light utility helicopter produced by Airbus Helicopters. It is capable of flight under instrument flight rules and is outfitted with a digital automatic flight control system. First flying in February 1994 and developed from the prototype Messerschmitt-Bölkow-Blohm (MBB) Bo 108, it entered service in 1996. 1,400 units have been delivered up to September 2020, to 300 operators in 60 countries, accumulating over 5 million flight hours. It is mainly used for air medical transport (medevac), corporate transport, law enforcement, offshore wind support, and military flight training. Half of the units in service are in Europe and a quarter in North America. The H135M, certified under the name Eurocopter EC635, is a military variant, so the overall design is known as the Airbus Helicopters H135 and the military version, as the Airbus Helicopters H135M.