President Vladimir Putin made an unannounced visit Friday to an aviation plant in the Siberian city of Irkutsk, home to one of Russia’s flagship civil aviation projects that has faced a decade of production delays.

The Russian president, accompanied by Rostec head Sergey Chemezov, Irkutsk Region Governor Igor Kobzev and Director of the plant Andrey Soinov are scheduled to inspect the…

During the visit, Rostec CEO Sergey Chemezov informed the Russian president that the first fully import-substituted serial MS-21-310 is nearing readiness for its maiden flight