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The Sukhoi Su-47 Berkut, also designated S-32 and S-37 during initial development, was an experimental supersonic jet fighter developed by Sukhoi Aviation Corporation.

The Sukhoi Su-47 Berkut, also designated S-32 and S-37 during initial development, was an experimental supersonic jet fighter developed by Sukhoi Aviation Corporation.

25 September 1997 First flight #flighttest of the Sukhoi Su-47 Berkut technology demonstrator

25 September 1997 First flight #flighttest of the Sukhoi Su-47 Berkut technology demonstrator

El Sukhoi Su-47 Berkut (en ruso: Сухой Су-47 «Беркут» (Berkut),

El Sukhoi Su-47 Berkut (en ruso: Сухой Су-47 «Беркут» (Berkut),

sUKOI t-47 - Qwant Recherche

sUKOI t-47 - Qwant Recherche

3D Sukhoi Su 47 Berkut Model - 3D Model

3D Sukhoi Su 47 Berkut Model - 3D Model

Sukhoi 37/47, which became the Pak FA without the forward swept wing. Future historians will look at these things as among the last manned tactical aircraft.

Sukhoi 37/47, which became the Pak FA without the forward swept wing. Future historians will look at these things as among the last manned tactical aircraft.