India’s Twin Engine Deck Based Fighter (TEDBF) program is heading towards Preliminary Design Review (PDR) after which it will be presented for approval to India’s Cabinet Committee on Security (CCS), where the Aeronautical Development Agency (ADA) is seeking 13000 crores as investment cost to develop the 4 aircraft after getting clearance from the CCS.

ADA and Navy have already come up with a developmental flight regime that will be for 5 years from the first flight planned in 2027 and will involve 1000 flights of which four pre-production prototypes will be used to accomplish this task.

The last two TEDBF prototypes will be used for a series of deck-based trials from the aircraft carrier and once 80% of developmental trials are concluded it be cleared for production. has not been told the exact number of developmental flight trials from an aircraft carrier but last 2 years could see 80-120 flights taking off and landing from an aircraft carrier with different fuel and weapon payloads due to the limited timeframe aircraft carriers are available for non-operational duties.

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