Tejas Mk1A Defence Deal Hailed by HAL CMD as Boost to AtmanirbhartaPoll Should India invest more in indigenous defense projects like the Tejas aircraft? NEW DELHI: American firm GE Aerospace has handed over the fourth F404-IN20 fighter jet engine to Hindustan Aeronautics Limited (HAL) against the 2021 order, HAL confirmed on Wednesday. HAL aims to deliver the first aircraft by October this year, with three already ready pending final trials. We need to do the final trials.We expect to complete those trials in October. I think we should be able to deliver by October,” Dr Sunil added.HAL had earlier secured a contract for 99 engines to power the initial 83 Tejas jets ordered by the Air Force.