 One of Kaveri prototype (K9) was successfully flight tested at Gromov Flight Research Institute in Moscow, on 4 November 2010.The test was conducted at the Flying Test Bed at Gromov, with the engine running right from the take-off to landing, flying for a period of over one hour up to an altitude of .The engine helped the IL-76 aircraft test bed fly at speeds of 0.6 Mach in its maiden flight, according to the Defence Research and Development Organisation (DRDO).