Russia’s United Engine Corp. (UEC) has started the second stage of PD-14 engine testing for the Irkut MC-21 aircraft. The tests are conducted at Flight Research Institute at Zhukovsky near Moscow. Irkut is a subsidiary of Russia’s United Aircraft Corp. During the second stage, UEC said “the performance of the PD-14 engine will be tested at all speeds, altitudes and thrust ratings.” To date, the corporation has manufactured 11 PD-14 test engines. The first test stage ...

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