Between 1971 and 1980 a total of 115 aircraft were built and 23 were sold abroad to Afghanistan, Bulgaria, China, Cuba, Czechoslovakia, Mongolia and Vietnam.
Antara tahun 1971 dan 1980 total 115 pesawat dibangun dan 23 diantaranya dijual ke luar negeri ke Afghanistan, Bulgaria, China, Kuba, Cekoslovakia, Mongolia dan Vietnam.