India, Nov. 11 -- The Indian Space Research Organisation (ISRO) has completed the flight acceptance test of its CE-7.5 cryogenic engine, which will power the third stage of the upcoming GSLV-F19 mission carrying the NVS-04 navigation satellite.

The test was conducted on 5 November 2026 at the ISRO Propulsion Complex (IPRC) in Mahendragiri, Tamil Nadu. The engine underwent a 200-second hot-fire test, during which its performance remained within expected parameters, according to ISRO.

The test involved the ignition of both the Main Engine (ME) and Gas Generator (GG), with both operating as expected. During steady-state operation, the engine maintained performance consistent with ISRO's pre-test predictions. The space agency described the ...