Williams International was the sole OEM to hold the first place slot in the turbofan segment in this year’s AIN Engine Product Support Survey after sharing it with Pratt & Whitney and Rolls-Royce last year. Williams recorded an Overall Average of 8.8 (out of a possible 10), up from 8.2 last year. Meanwhile, three engine manufacturers, GE Aviation, Pratt & Whitney, and Rolls-Royce, tied for second, each with Overall Average ratings of 8.5. Honeywell followed with an Overall Average of 8.2. All five OEMs in the turbofan segment saw their Overall Average scores increase this year by between 0.6 and 0.2.
In this year’s survey, Honeywell finished first with an Overall Average of 9.0 in the turboprop segment, up from 8.1 in the 2020 survey. Pratt & Whitney had an Overall Average of 8.5, which was up from 8.0.
And in the turboshaft segment, Pratt & Whitney finished at the top with an Overall Average of 8.7, which was up from 8.0 last year. Safran Helicopter Engines followed with an 8.0 Overall Average, a score that was unchanged from 2020. Rolls-Royce came in third with an Overall Average of 7.6. The UK-based OEM was not rated in the turboshaft segment last year.