This 1' 31" video was published by Russia Insight on Nov 17, 2019: https://www.youtube.com/watch?v=61eJ7hoZhKY
Russia's Most Advanced Aircraft Su-57 Pulls Off FLAT SPIN / Flat Corkscrew!
The aircraft has a supersonic flight speed without afterburners, low visibility, super maneuverability, and the ability to make very short takeoffs and landings.
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