Dassault Aviation SA announced demise of Olivier Dassault, director. The company announced the death of Olivier Dassault, at the age of 69, in a helicopter accident on 7 March 2021. He was Chairman of the Supervisory Board of the Marcel Dassault industrial group (GIMD) until 2017 and Director at Dassault Aviation since 1996. Throughout his life, he was a determined defender of the company and of French aeronautics.