Emile Dewoitine re-established himself in France March 1928 with Société Aéronautique Française (Avions Dewoitine), ofifice at Paris. SAF built 20 more D.27, 2 long-range D.33 record-breakers, D.37 fighters, D.332/333/338/342/620 3-engined airliners, over 380 low-wing fighters of D.500/501/510 series, and 478 D.520, regarded as France's best production fighter in 1940. Under 1936 nationalization law taken over by SNCA du Midi March 1937. This group liquidated January 1941, Dewoitine forming SIPA.