The Russian aircraft manufacturer Sukhoi announced on August 8 have begun trials of a single radar Active Phased Array (AESA) on the fifth generation fighter T-50 (PAK-FA).
"In initial testing ground and airborne radar using an array antenna with phase control installed on a prototype T-50-3 gave strong performances in the plans' air to air" and "air-surface ". These performances are worthy of the best existing aircraft, "Sukhoi said in a statement.
Sh121 radar was developed by the Tikhomirov Scientific Research Institute based in Moscow. It uses elements of nanotechnology manufactured locally and incorporates an antenna with the technology of electron beam systems controlled on the basis of the program AFAR.
The T-50 must have all the performance of a 5th generation aircraft: a low radar signature and heat, a supersonic cruise speed, high integration of control systems, etc.. The aircraft is designed to replace the MiG-29 and Su-27 in service with the Russian army. The T-50 was developed in Russia since the 1990s.
Asian Defence News