The Sukhoi Su-57 ( Russian: Сухой Су-57; NATO reporting name: Felon) is a stealth, single-seat, twin-engine multirole fifth-generation jet fighter being developed since 2002 for air superiority and attack operations. In 2017, Deputy Minister Yury Borisov stated that the Su-57 would most likely enter service in 2018, due to the implementation of more advanced engines, and further testing. 056 Sixth flyable prototype (first flyable second-stage prototype); first flight on 27 April 2016.[citation needed ] The fuselage cover panels are partially replaced by composite materials. The advanced flight control system and thrust vectoring nozzles make the aircraft departure-resistant and highly manoeuvrable in both pitch and yaw, enabling the aircraft to perform very high angles of attack manoeuvres such as the Pugachev's Cobra and the bell manoeuvre, along with doing flat rotations with little altitude loss. Developed by Tikhomirov NIIP Institute, the N036 consists of the main nose-mounted N036-1-01 X band active electronically scanned array (AESA) radar, or active phased array radar ( Russian: Активная фазированная антенная решётка, Aktivnaya Fazirovannaya Antennaya Reshotka, Russian: АФАР, AFAR) in Russian nomenclature, with 1,552 T/R modules and two side-looking N036B-1-01 X-band AESA radars with 358 T/R modules embedded in the cheeks of the forward fuselage for increased angular coverage. This claim is supported by Russia's intentions to adopt the new R-37M (Izdeliye 810) air-to-air missile with a range of more than 300 km to the Su-57's armament, giving it a role similar to the MiG-31BM interceptors.
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