United Aircraft Corporation (UAC, part of Rostec Group) raised four MC-21-310 aircraft into the sky simultaneously in October to conduct test flights. This was reported by the Technosphere Russia publication.
Journalists clarified that crews on MC-21 aircraft with numbers 73051, 73054, and 73055 were working in the sky during the second month of autumn. At the very end of the month, aircraft No. 73057 joined them with completely domestic "internals", with the exception of five onboard systems.
The first aircraft was used this year in ground lightning protection tests in Zhukovsky. Now, No. 73051 has performed a flight in which, with different wing mechanization configurations, the crew checked the operation of the radio altimeter, as well as the functioning of the air conditioning system, air bleed from the engines, and automatic pressure regulation.
The crew of aircraft No. 73054 performed nine flights at once. Service flights are being carried out on it, in which the operation of onboard systems is evaluated. The aircraft is also "testing" a modern domestic airborne collision avoidance system.
MC-21 with tail number 73055 also performed nine flights. The crew worked on regular civil aviation routes. The flights were carried out from Zhukovsky near Moscow to Vorkuta and back, without landing in Vorkuta.
Earlier, www1.ru reported that Russia will earn billions of dollars for the aviation industry by producing the SJ-100 abroad.
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