Career
Just after began, Sayaret transferred from dragoons to the aerial service. He was flying a Voisin for Escadrille 24 when he downed his first enemy aircraft on 18 June 1915. In May 1916, he transferred to Escadrille 57 to fly a Nieuport fighter.
On 17 June 1916, he scored the first of six wins over the next year.
Four of these wins would be shared with four other pilots, including Raoul Lufbery. Sayaret flew with the Mail Service.
From 1924 to 1927, he was a test pilot for Farman. After that, he was a pilot for CIDNA and for Air France. and cited twice in army orders, after having downed five enemy planes.