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2026-05364

Proposed Rule

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

In Committeetransportation

Introduced: March 19, 2026

Progress

Summary

The FAA proposes to adopt 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 proposed AD would require updating operational software and incorporating a pilot's operating handbook (POH) temporary revision. The proposed AD would also prohibit the installation of affected software. The FAA is proposing this AD to address the unsafe condition on these products.

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