Stelio Frati (born in Milan Italy in 1919,[1] died 14 May 2010[2]) was an Italian mechanical engineer and aeroplane designer.
He graduated from the Politecnico di Milano as a mechanical engineer in 1943, participating in the design of the Aeronautica Lombarda AR (Assalto Radioguidato - RC attack) radio-controlled wooden cantilever monoplane, powered by a single radial engine - a flying bomb/drone, flown for the first time the same year.
After teaching aircraft design he became a freelance aircraft designer, being responsible for many well known aircraft designs.
[3] One of his best known designs is the Falco F8L.