How China’s home-grown WS-10 engine helped make the country a modern air power

China's aviation industry has reached a significant milestone with the 20th anniversary of its domestically developed high-thrust turbofan engine, the WS-10, also known as Taihang. This engine family forms the backbone of the People's Liberation Army (PLA) Air Force's major active combat fighters, playing a vital role in China's ascent as a modern air power.

The Taihang engine powers fourth-generation jets such as the J-10C, J-11B, the air force's J-16, and the navy's carrier-based J-15. Crucially, it also drives variants of the fifth-generation J-20 stealth fighter, underscoring its advanced capabilities. Furthermore, the WS-10 is utilized in China's export-oriented jets, including the J-10CE.

Historically, China's production of modern fighters was heavily reliant on Russia's AL-31 engine capacity and export licenses. This dependence created a significant and potentially dangerous bottleneck in the supply chain. The successful development and maturation of the WS-10 series represent a major achievement in self-sufficiency for China's aviation industry.

The unconstrained, mass-scale production of advanced fourth and fifth-generation combat aircraft is now enabled by the WS-10 engine. This technological leap not only bolsters China's domestic defense capabilities but also reduces its vulnerability to external supply chain disruptions, solidifying its position as a formidable air power.