The new aircraft is basically been redesigned.Fitted with the new engine, avionics and new variable-sweep wing, these new Fitters can take off and land on a shorter runway, the flight performance has become better also, they have the larger payload and maximum speed.
The Su-17UM3 is the revised trainer with the same avionics suite as the Su-17M3, they have the same combat capability with the Su-17M3.The export version is the Su-22UM3 with the R-29 engine and the Su-22UM3K with the Al-21F-13 engine.
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