Pratt & Whitney, a subsidiary of RTX Corporation, has announced the introduction of the Hot Section Plus (HS+), an upgrade option for the PW1100G-JM engine used in the Airbus A320neo aircraft family. The HS+ upgrade, derived from the GTF Advantage technology, aims to nearly double the time on wing of the current Pratt & Whitney GTF engine. With approximately 35 new part numbers, the HS+ will be incorporated during maintenance visits and installations are set to begin in 2026. The upgrade offers 90 to 95% of the GTF Advantage's durability benefits and will simplify operations due to its full interchangeability with existing and future engine models. The GTF engine, known for delivering up to 20% better fuel efficiency compared to its predecessors, represents a significant advancement in the single-aisle aircraft market.
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