Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
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
| Agency | Transportation Department, Federal Aviation Administration |
|---|---|
| Document type | Rule |
| Published | 2026-06-09 |
| Summary | 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. |
| Document number | 2026-11528 |
| Official record | https://www.federalregister.gov/documents/2026/06/09/2026-11528/airworthiness-directives-pilatus-aircraft-ltd-airplanes |