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2026-06-09 · Rule · Federal Register document 2026-11528

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

Transportation Department, Federal Aviation Administration

Official abstract: The FAA is adopting a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-12/47E airplanes. This AD was prompted by a report of the stall warning protection system (SWPS) engaging when not appropriate. This AD requires updating operational software and incorporating a pilot's operating handbook (POH) temporary revision (TR). This AD also prohibits the installation of affected software. The FAA is issuing this AD to address the unsafe condition on these products.

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