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Read more about Moscow confused as IAF puts fifth-generation fighter on back burner to buy Rafale on Business Standard. The ongoing MAKS 2015 air show in Moscow features an impressive flying display by the Sukhoi T-50, the fifth-generation prototype fighter\'s first public outing in two years. But even the rousing applause fails to mask the disappointment of Russian
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generation fighter on back burner to buy
Currently, the Sukhoi T-50 is powered by the NPO Saturn AL-41F1, which only
is a souped-up version of the AL-31FP engine that powers the Sukhoi-30MKI
The ongoing MAKS 2015 air show in Moscow features an impressive flying display by the
Sukhoi T-50, the fifth-generation prototype fighter's first public outing in two years. But
even the rousing applause fails to mask the disappointment of Russian officials at
the Indian Air Force's (IAF's) foot-dragging in co-developing the T-50 into a "fifth
generation fighter aircraft" (FGFA) that the IAF will buy.
Well-informed sources in Moscow say the IAF vice chief has written a letter that effectively
blocks the FGFA project. It criticises 27 different aspects of the FGFA, raising questions that
must be answered before New Delhi and Moscow put $2.5 billion each into jointly
developing the advanced fighter.
Business Standard also learns the IAF has vetoed a Russian offer to co-develop a fifth-
generation engine for the FGFA. This is baffling to the Russians, given the Defence R&D
Organisation (DRDO) long-standing attempts at joint engine development in order to end
India's expensive dependency on foreign vendors for aero engines. An internal DRDO
estimation reckons that India will import aero engines worth Rs 3,50,000 crore over the
After the DRDO failed to develop the Kaveri engine to the level where it could power the
indigenous Tejas Light Combat Aircraft (LCA), it strived to persuade French engine-maker,
Snecma, to co-develop an engine. But Snecma declined to share key technologies, especially
those relating to materials that can withstand the hellish temperatures created in the
engine's combustion chamber.
Nor has Washington agreed to share these technologies, even after President Barack Obama
agreed during his January visit to New Delhi that a "joint working group" would explore US-
India cooperation in engine technology.
DRDO and Hindustan Aeronautics Ltd (HAL) officials say the Russian offer of engine co-
development fits well with the FGFA project itself, since the engine will power the same
fighter. Currently, the Sukhoi T-50 is powered by the NPO Saturn AL-41F1, which only is a
souped-up version of the AL-31FP engine that powers the Sukhoi-30MKI. A brand new,
more powerful, engine is needed to let the FGFA supercruise, or fly at supersonic speeds
while cruising without an afterburner. This is considered essential for a fifth-generation
Military aerospace experts worldwide believe that, given Moscow's economic distress, the T-
50 project badly needs India's financial partnership to move forward. So far, the Russian Air
Force has ordered only one squadron of T-50s.
Sergey Chemezov, who heads Rostec, the powerful Russian high-technology agency,
downplays India's delay. "As for the involvement with India, there is a certain delay, though
this is not something that we (Russia) can be responsible for.