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Pratt & Whitney Announces GTF Hot Section Plus Upgrade

Pratt & Whitney has today announced the introduction of GTF Hot Section Plus (HS+), an upgrade option for the PW1100G-JM engine that powers the Airbus A320neo Family, which will nearly double time on wing.


Pratt & Whitney introduces GTF Hot Section Plus (HS+), a Engine Upgrade that Will Nearly Double Time on Wing for in Service GTF Engines - Courtesy Pratt & Whitney
Pratt & Whitney introduces GTF Hot Section Plus (HS+), a Engine Upgrade that Will Nearly Double Time on Wing for in Service GTF Engines - Courtesy Pratt & Whitney

On Monday (June 16, 2025), from the Paris Air Show, Pratt & Whitney announced the introduction of Hot Section Plus (HS+), an upgrade option for the PW1100G-JM engine the powers the Airbus A320neo Family of aircraft.  The Hot Section Plus upgrade has been derived from the GTF Advantage™ engine, which will offer twice the time on wing as today’s GTF™ engine, and will provide 90 to 95 percent of the GTF Advantage’s durability benefits.  HS+ includes only around 35 part numbers and will be incorporated during PW1100G-JM engine maintenance.  The option will be available for all customers to purchase, with installations starting ion 2026.  GTF engines with the HS+ upgrade will be fully intermixable and interchangeable with both current GTF and GTF Advantage engine models.


In Monday’s announcement, Pratt & Whitney’s VP – Sales & Marketing, Nick Tomassetti, said,


“HS+ brings the durability improvements of the GTF Advantage hot section to today’s GTF engine.  Customers operating the current GTF engine model will have the opportunity to nearly double time on wing.” 

 

Pratt & Whitney’s GTF Advantage features the most advanced hot section in the single-aisle market.  In the high-pressure turbine (HPT), the enhancements include a state-of-the-art airfoil design with improved coatings.  The HPT and combustor also feature optimized cooling hole size, shape and location, with improved hole drilling techniques to reduce oxidation.  The GTF engine is the most efficient engine available for single-aisle aircraft, delivering a fuel burn reduction of up to 20 percent compared to the prior generation of engines.


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

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