MC-21-300 aircraft to be tested under low sub-zero outdoor temperatures in Yakutia

https://www.aviation24.be/manufacturers/irkut/mc-21-300-aircraft-to-be-tested-under-low-sub-zero-outdoor-temperatures-in-yakutia/?utm_source=rss&utm_medium=rss&utm_campaign=mc-21-300-aircraft-to-be-tested-under-low-sub-zero-outdoor-temperatures-in-yakutia