Honestly, even just looking at the TEDBF mock-up (especially the latest one from Aero India 2025) raises doubts about the concept itself.Indeed it is interesting bcoz in emerging era of 6gen a new 4gen design is non-sense & equivalent to sabotage & suicide. The older ones can continue till there are 4gen jets on both sides of border.
At Aero-India 2025 a presentation cited "Fifth Gen Deck Based Fighter". There's a possibility that AMCA could be navalised like F-35, J-35, rather than clean-sheet design needing more time, money. Or may be that 4gen TEDBF might get modified with IWBs & 2 rudders.
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There is also inidcation of HFA (Heavy Fighter Aircraft) via 125-145 KN engine, apparently 5.5-6gen to be better than AMCA & replace Su-30MKI.
So Su-57 cannot be bought in bulk to save resources for this project.
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I think that, unlike the AMCA, it should accept an offer of Russian cooperation on a future carrier-based fighter, if such an offer appears.
It’s a very demanding category, and at least in terms of aerodynamics and operational aspects, such cooperation can be very useful and bring significant savings in time and costs, which could be used for other programs.
The Mikoyan design bureau (now within UAC’s combat aircraft division) has long been working on the concept of a fifth-generation carrier-based complex, including a fighter, which could be developed if the state armament program includes aircraft carriers (which may have happened, but it is not public).
Источник: "МиГ" начал разработку палубного истребителя пятого поколения
Российская самолетостроительная корпорация (РСК) "МиГ" начала разработку палубного истребителя пятого поколения, который будет выполнен с применением технологии РИА Новости, 26.07.2021