Le salon du Bourget

The Salon international de l'aéronautique et de l'espaceParis-Le Bourget, better known as the Paris Air Show, or under the SIAE, is one of the most important international events presenting aerospace materials in the north of Paris. Known by the English speaker as the Paris Air Show, the Salon took place every two years. It is the first appointment of the global aviation industry, just before the Farnborough (Germany).
The Salon includes days reserved for professionals and other for the public.

Manufacturers exhibit their latest aircraft in flight demonstrations.

http://fr.wikipedia.org/wiki/Salon_international_de_l'a%C3%A9ronautique_et_de_l'espace_de_Paris-Le_Bourget