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In 1965 he joined A.I.Mikoyan EDB as a test pilot and took part in testing MiG-21, MiG-23 and MiG-25 airplanes. Made the maiden flight of and tested the MiG-23U.
Set two world aviation records (one of them absolute). He was killed in crash of during a test flight of a MiG-23 aircraft. He was awarded the Medal of de Lavo (FAI) (1967).