An experienced MC-21 aircraft, made in a partially import-substituted form, made 19 flights as part of certification tests, the Rostec State Corporation said.
In total, the aircraft, equipped with Russian PD-14 engines and systems, spent 74 hours in the air. Tests have been underway since June 26 in Zhukovsky, near Moscow.
To obtain a type certificate for the MC-21, it is planned to make about 220–230 test flights, explained earlier the chief designer of MC-21 of the "Yakovlev" company, Vitaly Naryshkin.
Thus, MC-21 performed 8% of the required number of certification flights.
Earlier www1.ru reported that unique thrust reverser grilles with electric drive were invented for the PD-14 aircraft engine.
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