Petr Mikhailovich Stefanovskiy

Petr Mikhailovich Stefanovskiy (Russian: Петр Михайлович Стефановский; January 2, 1903 — February 23, 1976) was a Soviet test pilot. During the German-Soviet War, he was in charge of forming special fighter squadrons composed of Soviet test pilots and flew combat missions protecting the airspace above Moscow. He was promoted to Major General in 1944 and was awarded the Hero of the Soviet Union in 1948.

P.M. Stefanovskiy recounted his experiences as a test pilot in his book Триста неизвестных (Trista neizvestnykh, Three hundred of the unknown).