It was a large, six-engine design with a high-set cantilever monoplane wing, and twin tails.

A large mock-up, resting on simulated water, was displayed at the 1938 Salon de l'Aéronautique.

[3] Four SE.200s were under construction at Marignane at the outbreak of the Second World War, and work on them continued after the fall of France, along with a fifth aircraft now started.

[4] Following testing, it was seized by the German occupation and taken to the Bodensee, where it was destroyed in an air raid by RAF Mosquitos on 17 April 1944.

This aircraft eventually flew on 2 April 1946 but was damaged in a hard landing in October 1949 and was not repaired.