Pratt & Whitney PW1500G is a high-bypass, axial-flow, twin-spool geared turbofan family controlled by FADEC. EASA IM.E.090 describes a three-stage low-pressure turbine driving a three-stage low-pressure compressor and single-stage fan through a fan-drive reduction gear, with an eight-stage high-pressure compressor driven by a two-stage cooled high-pressure turbine. The certified PW1500G series spans PW1519G, PW1521G, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, PW1521GA, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A; exact variants and Airbus A220/E-Jets E2 installations remain separately represented.