On 7 December 2020, the CEO of the corporation , Sergey Chemezov, said that the first serially manufactured Sukhoi-57 with a first stage engine would be provided for the Russian military by the end of 2020, and the first Sukhoi-57 equipped with the second stage engine would be assembled in 2022. Defense Minister Sergei Shoigu told the Defense Ministry’s board meeting that a total of 22 Sukhoi-57 planes would be provided by the end of 2024. Under a contract concluded in 2019 a total of 76 Sukhoi-57s are to be delivered by the end of 2028.