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Open for Comment: Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

By CIV.IQ March 19, 2026
Transportation Department — 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. (46 days remaining)

Open for Comment: Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

Transportation Department — 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. (46 days remaining)

Type: comment-period | Source: federalregister.gov

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  "data": {
    "documentNumber": "2026-05364",
    "title": "Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes",
    "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.",
    "agency": "Transportation Department",
    "commentsCloseOn": "2026-05-04",
    "daysUntilClose": 46,
    "url": "https://www.federalregister.gov/documents/2026/03/19/2026-05364/airworthiness-directives-pilatus-aircraft-ltd-airplanes"
  },
  "source": {
    "url": "https://www.federalregister.gov/documents/2026/03/19/2026-05364/airworthiness-directives-pilatus-aircraft-ltd-airplanes",
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  }
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#comment-period #regulation #transportation-department
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