The FAC found that the failure happened when the Geosynchronous Satellite Launch Vehicle rocket's cryogenic engine was to kick in to take the rocket forward.
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The engine is earmarked for the LVM3-M3 mission identified for launching the next 36 OneWeb India-1 satellites, the Indian Space Research Organisation said.
India's first indigenously designed and developed high-thrust cryogenic rocket engine generating a nominal thrust of 19 tonnes was successfully endurance hot-tested for 800 seconds.