Pratt & Whitney Canada is embarking on the Hydrogen Advanced Design Engine Study (HyADES) project, supported by Canada's Initiative for Sustainable Aviation Technology (INSAT), to showcase hydrogen combustion on the PW127XT regional turboprop engine. This initiative, in collaboration with Next Hydrogen Solutions Inc., aims to develop high-efficiency, low-cost electrolyzers essential for establishing hydrogen production infrastructure. The project's significance lies in advancing key technologies for future hydrogen-powered aircraft and contributing to aviation sustainability through various pathways, including engine efficiency enhancements, hybrid-electric propulsion, and sustainable aviation fuel (SAF) compatibility. The project's initial phase will involve fuel nozzle and combustor rig testing with hydrogen fuel, with subsequent stages focusing on full engine ground testing. The PW127XT engine, part of Pratt & Whitney Canada's PW100 series, boasts improved fuel efficiency, time on wing, and maintenance cost reduction, making it a suitable candidate for hydrogen adaptation and alternative fuels. Raveel Afzaal, president, and CEO of Next Hydrogen Solutions Inc., highlighted the pivotal role of green hydrogen production at scale in reducing aviation CO2 emissions. This project illustrates the versatility of hydrogen application, whether as a direct fuel for combustion or feedstock for sustainable aviation fuel. In parallel, Pratt & Whitney Canada's involvement in the Turbine Engine Advanced Materials for Efficiency (TEAME) project with Derivation Research Laboratory (DRL) underscores a commitment to enhancing thermal efficiency and reducing emissions in gas turbine engines. Through advanced materials exploration, this collaboration aims to achieve significant improvements in fuel consumption and emissions, aligning with the industry's sustainability goals.