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René Mouille (30 October 1924 – 10 January 2019) was a French engineer, and designer of many of France's most well-known and important helicopters, widely flown by many air forces around the world.
The SNCASE SE.3120 Alouette first flew in July 1951, flown by Jean Boulet. His next helicopter was the Sud Aviation SE 3130 known as the Aérospatiale Alouette II, working with the engineer Charles Marchetti (1916-1991), and manufactured between 1956 and 1975. The Aérospatiale Alouette III first flew in 1959, of which over 2000 were made.
In the later 1960s, he developed the fenestron design for a helicopter's rear tail rotor, with Paul Fabre, the aerodynamicist of Sud Aviation. He invented the Starflex and Spheriflex rotorhead designs. He became chief designer of Sud Aviation helicopter division in 1960.
Sud Aviation had their main helicopter factory at La Courneuve but later moved to Marignane in south-east France, in the Provence-Alpes-Côte d'Azur region. Airbus Helicopters (former Eurocopter Group from 1992-2014) has its main factory here.
He was chief designer of the Aérospatiale helicopter division until 1988.
- 1975 Honorary Fellow — granted to Society members whose career-based leadership, vision or other meritorious contribution has advanced significantly the interests of Vertical Flight Society and the vertical flight community. Mouille's citation was: "For the design of the Fenestron fan-in-fin tail rotor system and his continued efforts to improve the technology of our industry."
- 1979 Alexander Klemin Award — given for notable achievement in advancement of vertical flight aeronautics
- 1990 Alexander A. Nikolsky Honorary Lecturer — given to an individual who has a highly distinguished career in vertical flight aircraft research and development and is skilled at communicating their technical knowledge and experience. Mouille's lecture was entitled, "Technological Evolution of French Helicopters."