Rostec made this announcement:
Today an MС-21-300 aircraft, whose wings are made of polymer composite materials produced in Russia, has performed its first flight. The airliner became airborne from the airfield of the Irkutsk Aviation Plant, a branch of Irkut (a subsidiary of UAC of Rostec State Corporation). The flight was performed in normal mode. MС-21-300/310 is a new generation medium-haul aircraft with capacity of 163 to 211 passengers. Its key distinction consists in its wings made of composites.