The Sukhoi Su-47 Berkut (Russian: Сухой Су-47 «Беркут», lit. 'Eagle' in Kazakh language) (NATO reporting name Firkin), also designated S-32 and S-37 during initial development, is a Russian experimental supersonic technology demonstrator developed by the JSC Sukhoi Company. A distinguishing feature of the aircraft was its forward-swept wing intended to give the aircraft increased agility and maneuverability.
The Sukhoi Su-47 Berkut (Russian: Сухой Су-47 «Беркут», lit. 'Eagle' in Kazakh language) (NATO reporting name Firkin), also designated S-32 and S-37 during initial development, is a Russian experimental supersonic technology demonstrator developed by the JSC Sukhoi Company. A distinguishing feature of the aircraft was its forward-swept wing intended to give the aircraft increased agility and maneuverability.
Source: Wikipedia "Sukhoi Su-47" · CC BY-SA 4.0
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