
India’s ambition for advanced aerospace technology has taken a significant stride forward with Russia’s approval for the complete technology transfer of the Izdeliye 177S engine, designed for the Su-57E fighter. This landmark agreement allows Hindustan Aeronautics Limited (HAL) to commence production of this state-of-the-art fifth-generation turbofan engine in India, a move that drastically reshapes the Indo-Pacific airpower dynamics. By mastering the manufacturing of such a sophisticated engine, India joins the ranks of global leaders like the US, Russia, and China. The Izdeliye 177S engine is positioned as a crucial component for India’s future aerial defense, offering advanced thrust capabilities and enhanced agility. The transfer package is meticulously designed to maximize Indian manufacturing, moving from an initial 54% to over 80% within ten years. This strategy aims to create a robust domestic aerospace industry, insulating it from external supply chain vulnerabilities and fostering expertise in high-demand fields like advanced alloys and precision manufacturing. The deal reflects a shared understanding of the strategic importance of indigenous technological mastery for long-term operational freedom. Production is anticipated to start around 2029-2030, with significant upgrades to the HAL Koraput facility and an investment of approximately $336 million. The comprehensive transfer includes critical processes for materials, casting, coatings, and control systems, ensuring India gains full lifecycle control over the engine’s development and production, supporting both current fleet upgrades and future indigenous aircraft designs.







