The Tikhomirov NIIP radar system built for Russia’s first fifth-generation combat jet, the Sukhoi T-50, is “99% ready” to enter serial production but must first complete a series of development tests.
The active phased array radar consists of one forward-looking X-band radar in the nose section and two side-scanning arrays as well as L-band antennas along the wing flaps.
The system has been put on display for the first time at the MAKS air show in Moscow, and deputy chief designer of NIIP radar systems Andrey Sukhanov says he doesn’t have a time line for when the testing will conclude, but he is confident the overall design is stable barring minor tweaks.
Published on Mar 3, 2014
The Sukhoi PAK FA (Russian: Сухой ПАК ФА, Russian: Перспективный авиационный комплекс фронтовой авиации, Perspektivny Aviatsionny Kompleks Frontovoy Aviatsii, literally Prospective Airborne Complex of Frontline Aviation) is a twin-engine jet fighter being developed by Sukhoi for the Russian Air Force. The Sukhoi T-50 is the prototype for PAK FA.[10] The PAK FA is one of only a handful of stealth jet programs worldwide.[11]
The T-50s avionics consists of the Sh121 multifunctional integrated radio electronic system (MIRES) and the 101KS Atoll electro-optical system.[63] The Sh121 consists of the N036 Byelka radar complex and L402 Himaraya electronic countermeasures system. The N036 Byelka radar complex is developed by Tikhomirov NIIP Institute and consists of:
The T-50s avionics consists of the Sh121 multifunctional integrated radio electronic system (MIRES) and the 101KS Atoll electro-optical system.[63] The Sh121 consists of the N036 Byelka radar complex and L402 Himaraya electronic countermeasures system. The N036 Byelka radar complex is developed by Tikhomirov NIIP Institute and consists of:
- a main nose-mounted X-band AESA radar with 1526 T/R modules, designated the N036-1-01,[61] and
- two smaller L-band AESA radars with 358 T/R modules mounted on the sides of the forward fuselage designated N036B-1-01.
- The suite also has two N036L-1-01 L-band arrays on the wings leading edge extensions that are not only used for friend-or-foe identification but also for ground and aerial target detection.
- Computer processing of the X- and L-band signals enable the system’s information to be
significantly enhanced.[64]
The radar will reduce pilot load and make use of a new data link to share information between aircraft.[65] In 2012 ground tests began on the third aircraft of the Tikhomirov Scientific Research Institute of Instrument Designs AESA radar.[66] The L402 Himaraya electronic countermeasures (ECM) suite made by the KNIRTI institute uses both its own arrays and that of the N036 Byelka radar. One of its arrays is mounted in the dorsal sting between the two engines.[67]
The 101KS Atoll electro-optical system includes the 101KS-V infra-red search and track mounted on the starboard side in front of the cockpit. This sensor can detect, identify, and track multiple airborne targets simultaneously.[61] The 101KS-O is mounted on a turret in the dorsal spine and has a laser-based countermeasure against heat-seaking missiles.The Sukhoi PAK FA (Russian: Сух
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