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AD 2025-21090

Published 2025-11-25 · 1 model · 184 US-registered tails affected · Federal Register

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes Federal Register ↗

Abstract

The FAA is adopting a new airworthiness directive (AD) for all Pilatus Aircraft Ltd. (Pilatus) Model PC-24 airplanes. This AD was prompted by a report of an inaccurate flight director calculation on approach. This AD requires incorporating a temporary revision into the existing airplane flight manual (AFM) for the affected airplanes, which revises the Abnormal Procedures Section. The FAA is issuing this AD to address the unsafe condition on these products.

Applicability · by US fleet size

Federal Register text

Verbatim; the Federal Register publication is the legally binding document. Cite: 90 FR 53208. View on Federal Register ↗

[Federal Register Volume 90, Number 225 (Tuesday, November 25, 2025)] [Rules and Regulations] [Pages 53208-53210] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2025-21090]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2025-0917; Project Identifier MCAI-2024-00740-A; Amendment 39-23155; AD 2025-20-02] RIN 2120-AA64

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all Pilatus Aircraft Ltd. (Pilatus) Model PC-24 airplanes. This AD was prompted by a report of an inaccurate flight director calculation on approach. This AD requires incorporating a temporary revision into the existing airplane flight manual (AFM) for the affected airplanes, which revises the Abnormal Procedures Section. The FAA is issuing this AD to address the unsafe condition on these products.

DATES: This AD is effective December 30, 2025. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of December 30, 2025.