In essence, meaning that only western airforces lack two seat fifth generation fighters as of nowIt is also notable that this would make the Su-57 the second 5th-gen fighter family in the world to have a twin-seater variant after the J-20 family.
Generally speaking the first flight will follow shortly after the taxi test.Just as a fyi, apparently the source speaks of a taxi test, not a first flight, which probably is why no images yet, usually the russians release images after the first flight.
Let the thing fly at least. J-20s is operational, there's a distance here.In essence, meaning that only western airforces lack two seat fifth generation fighters as of now
There are some interesting - and as yet unconfirmed - claims, the Su-57D prototype has made its maiden flight as a twin-seater.
It is rumoured to be the reworked T-50-4 with a new front fuselage! No images yet!


Does it still slide backward?
No. Opens like Su30Does it still slide backward?