RTX’s Pratt & Whitney Signs Maintenance Contract with Singapore Airlines for APS5000 APU Fleet

MRO Asia Pacific (Sept. 18, 2025) – Pratt & Whitney Canada signed a 15-year maintenance agreement with Singapore Airlines for 34 APS5000 auxiliary power units (APUs) which support the airline’s fleet of Boeing 787 Dreamliner passenger jets. Pratt & Whitney is an RTX (NYSE: RTX) business.

“The agreement covers tailored maintenance solutions designed to provide peak performance, predictable costs, and long-term reliability of the APS5000, exclusively designed for the wide-body, twin-aisle Boeing 787 Dreamliner and which is the industry’s first all-electric APU,” said Anthony Rossi, vice president Customer Service, Pratt & Whitney Canada.

“The APS5000 greatly contributes to Singapore Airlines impressive dispatch reliability on the Boeing 787 Dreamliner. Its advanced design delivers improved fuel efficiency, reduced emissions, and enhanced maintainability, setting a new benchmark in auxiliary power technology. This maintenance contract helps ensure the APUs continue to meet our OEM standards, supporting Singapore Airlines in keeping its operations running smoothly and focused on delivering a great flying experience.”

The APS5000 is the quietest APU in its class with the lowest emissions in the industry. It produces 450kVA of electrical power at sea level and starts and operates up to 43,100 feet. More than 1,400 APS5000 APUs have been manufactured, and the fleet has flown nearly 16 million hours. Pratt & Whitney Canada’s maintenance programs for its APU fleet deliver flexibility and predictable costs while maximizing performance and long maintenance intervals.

About Pratt & Whitney
Pratt & Whitney, an RTX business, is a world leader in the design, manufacture and service of aircraft engines and auxiliary power units for military, commercial and civil aviation customers. Since 1925, our engineers have pioneered the development of revolutionary aircraft propulsion technologies, and today we support more than 90,000 in-service engines through our global network of maintenance, repair and overhaul facilities.

About RTX
RTX is the world's largest aerospace and defense company. With more than 185,000 global employees, we push the limits of technology and science to redefine how we connect and protect our world. Through industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon – we are advancing aviation, engineering integrated defense systems for operational success, and developing next-generation technology solutions and manufacturing to help global customers address their most critical challenges. The company, with 2024 sales of more than $80 billion, is headquartered in Arlington, Virginia.

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