A further derivative of the Brochet MB.70, the MB.100 uses essentially the same airframe as the MB.80, but with a revisedtail and cabin, the latter now including a third seat. Servicede l'Aviation Légère etSportive purchased several examples for distribution to French aeroclubs, including a number of tropicalised versions for use in North Africa. Unlike its predecessors, the MB.100 was not designed for homebuilding.