Entering production at Zavod (factory) No.64, Voronezh in 1957, the initial three aircraft were delivered with Kuznetsov NK-4 engines, due to non-availability of the Ivchenko AI-20 engines.
Memasuki produksi di Zavod (pabrik) No.64, Voronezh tahun 1957 tiga pesawat pertama dikirimkan dengan mesin Kuznetsov NK-4 karena ketidaktersediaan mesin Ivchenko AI-20.