Airworthiness directives › 2026-12-01
AD 2026-12-01 Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
Makes named: pilatus. Models named: PC-12/47E. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Pilatus Aircraft Ltd. Model PC-12/47E airplanes, manufacturer serial numbers 1720 and 2001 through 2476, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2025-0271, dated December 2, 2025 (EASA AD 2025-0271). (2) The owner/operator (pilot) holding at least a private pilot certificate may revise the existing pilot's operating handbook (POH) for the airplane and must enter compliance with this requirement into the aircraft records in accordance with 14 CFR 43.9(a) and 91.417(a)(2)(v). The record must be maintained as required by 14 CFR 91.417, 121.380, or 135.439.
Unsafe condition
This AD was prompted by a report of the stall warning protection system (SWPS) engaging when not appropriate. The FAA is issuing this AD to ensure the update of the certified operational software and prevent the inappropriate activation of the SWPS. The unsafe condition, if not addressed, could result in reduced safety margins of the airplane, increased pilot workload, and reduced control of the airplane.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1