"[On] June 23, 2017, MC-21-300 test aircraft performed another flight, which completes the first stage of the in-plant testing," the statement read.
Such characteristics as stability and ability to control the aircraft, as well as the working capacity of the systems, were successfully tested, according to the statement.
"Designers of the Engineering Center of the Irkut Corporation and specialists of the flight test division of the Yakovlev Design Bureau are processing the received information. At the same time, preparation of the MC-21 aircraft for the next stage of flight tests is beginning," the company said.
The overall volume of sales for the MC-21 is expected to amount to 1,000 aircraft by 2037, Russian Industry and Trade Minister Denis Manturov said in May. The new planes have already been ordered by Russian flag carrier Aeroflot and Egypt's KATO Investment company. Additionally, the Tanzanian flag carrier has expressed interest in purchasing the aircraft.