Pratt & Whitney Canada Signs Maintenance Contract with Singapore Airlines for APS5000 APU Fleet
- Joe Breitfeller

- Sep 19
- 2 min read
From MRO Asia Pacific in Singapore on Thursday, Pratt & Whitney Canada announced the signing of a 15-year maintenance agreement with Singapore Airlines for 34 APS5000 auxiliary power units (APUs), which support the carrier’s Boeing 787 Dreamliner jets.

On Thursday (September 18, 2025), Pratt & Whitney announced that Pratt & Whitney Canada has signed a 15-year maintenance agreement with Singapore Airlines for 34 APS5000 auxiliary power units (APUs), which support the airline’s Boeing 787 Dreamliner fleet. The agreement was signed at MRO Asia-Pacific in Singapore. Pratt & Whitney Canada’s 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.
In Thursday’s announcement, Pratt & Whitney Canada’s VP – Customer Service, Anthony Rossi, said,
“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.
“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.”
A division of Raytheon Technologies Corporation (NYSE: RTX), Pratt & Whitney is a global leader in the design, manufacture and service of aircraft and helicopter engines and auxiliary power units (APUs) for commercial, military, regional, business and general aviation aircraft. Pratt & Whitney is known for their innovative technologies such as the Geared Turbofan (GTF) commercial aircraft engine and the PW800 business jet engine, and currently supports over 90,000 in-service engines through their global network of maintenance, repair and overhaul (MRO) facilities.
Arlington, Virginia-based RTX is the world’s largest aerospace and defense company, employing over 185,000 team members worldwide. The company’s industry-leading business units include Collins Aerospace, Pratt & Whitney and Raytheon. During 2024, RTX had sales of over $80 billion.
Source: Pratt & Whitney, an RTX company


