India offered the latest 177S aircraft engine for the AMCA fighter, but Delhi fears dependence on Russian technologies
A flat nozzle, like on the F-22, can reduce the aircraft's visibility
F-22 Raptor
The Su-57 turned out to be 3.5 times cheaper than the F-22 Raptor
The cost of the Russian fighter is up to $65 million
Immense firepower: Russian Su-57 surpasses main US competitor
The domestic combat aircraft also turned out to be less visible and more maneuverable than the F-22 Raptor