Irkut, the manufacturer of Russia's first single-aisle jet in western standards, plans to add two more MC-21 prototypes to its existing test fleet. Irkut continues the certification campaign for its MC-21 jet with three prototypes. One more aircraft is expected to leave the final assembly line soon to join the other three planes. It will be used for testing the PD-14 engines produced by the Russian engine manufacturer Aviadvigatel. The state-owned UAC (United Aircraft Corporation)… (airlinerwatch.com) 更多...