SABCA S.40The SABCA S.40 was a military trainer aircraft built in Belgium in 1939.Design and developmentThe S.40 was a graceful, low-wing cantilever monoplane of conventional design with fixed, tailwheel undercarriage. The pilot and instructor sat in tandem cockpits, enclosed by sliding canopies. A single engine driving a two-blade propeller was mounted in the nose. The main undercarriage units were fully independent, mounted under the wings, and enclosed in spats. A small number were built for the Belgian military before the German invasion in 1940.Specifications