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Continue to ChatPratt & Whitney successfully tests GTF Advantage engine on 100% SAF https://hlcopters.com/pratt-whitney-successfully-tests-gtf-advantage-engine-on-100-saf/
Pratt & Whitney successfully tests GTF Advantage engine on 100% SAF https://hlcopters.com/pratt-whitney-successfully-tests-gtf-advantage-engine-on-100-saf/