He was among the world's 500 richest people with a fortune valued at $7.15 billion.

他以71.5億美元的財富價值躋身世界500富豪榜。

The 69 year old was the eldest son of late industrialist Serge Dassault.

69歲的他是已故實業家塞爾日-達索的長子。

Namesake firm Dassault Aviation builds Rafale fighters and Faulcon business jets.

起名公司達索航空製造陣風戰鬥機和福爾康公務機。

The family also owns France's Le Figaro newspaper.

該家族還擁有法國《費加羅報》。

Dassault was once seen as favourite to succeed his father as head of the family is holding, but the role went to a former boss of the aerospace firm instead.

達索曾被視為接替父親擔任家族控股負責人的熱門人選，但這個職位卻給了一家航空航天公司的前老闆。

Since 2000 and two, Dassault had been a lawmaker for the conservative lay Republican party.

自2000年和兩，達索一直是保守派非專業共和黨的立法者。

Paying tribute on Twitter, French president Emmanuel Macron said he was someone who never ceased to serve our country.

法國總統埃馬紐埃爾-馬克龍在推特上致敬說，他是一個從未停止過為我們國家服務的人。

Police say the private helicopter crashed Sunday afternoon in Normandy, where they also had a holiday home.

警方稱，這架私人直升機週日下午在諾曼底墜毀，他們在那裡還有一個度假屋。