Société nationale des constructions aéronautiques du sud-est (SNCASE, or commonly, Sud-Est) was a French aircraft manufacturer. It was born from the nationalisation of the French aeronautical industries in
1937.They produced 2
autogyros, C.34 and the SE.700 Alouette (
skylark). After
World War II SNCASE continued experimenting with helicopters with the help from a team from
Focke Achgelis. They built the SE.3000 which was a French version of the twin-rotor
Focke Achgelis Fa 223 Drache and a smaller SE.3101, built around the Focke Wulf Fw 61. With this experience SNCASE went on to design more helicopters: SE.3100, SE.3110 and eventually the SE.3120 Alouette.
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