After his career as a player ended, Antoinette remained linked to Quevilly, now as a coach, which he oversaw for 18 years, from 1948 to 1966, leading them to the title of
French amateur champion three times (1954, 1955, and 1958). He then became a regional technical advisor in the
Normandy Football League from 1967 to 1972. ==Death and legacy==