The modernization was handled by Lviv's Aviation Repair Plant.
A retrofitted MiG-29MU1 jet fighter has been transferred to the 40th Tactical Aviation Brigade of Ukraine's Tsentr (Center) Air Command.
This was reported on the Ukrainian Defense Ministry's website.
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The aircraft's systems and equipment were modernized at Lviv's State Aviation Repair Plant.
In particular, new avionics were installed on the aircraft and engines underwent an overhaul.