 He worked at aircraft construction with engineer Pillard at the Société Provençale de Constructions Aéronautiques, building in 1928 the first all-metal seaplane in France, the SPCA Paulhan-Pillard T3.He left the work the day when his only son, René, died on 10 May 1937, at the presentation of a fighter plane.He contributed to the manufacture of Dewoitine planes, but retired to Saint-Jean-de-Luz, which he rarely left before his death.