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AD 2026-00357

Published 2026-01-12 · 1 model · 50 US-registered tails affected · Federal Register

Airworthiness Directives; Baykar Piaggio Aerospace S.p.A. (Type Certificate Previously Held by Piaggio Aviation S.p.A.) Airplanes Federal Register ↗

Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Baykar Piaggio Aerospace S.p.A. (type certificate previously held by Piaggio Aviation S.p.A.) (Piaggio) Model P-180 airplanes. This AD was prompted by a report of leakage from the flexible hydraulic hoses connected to the hydraulic pump package (HPP). This AD requires replacing the affected flexible hydraulic hoses. This AD also prohibits installing the affected flexible hydraulic hoses on any airplane. The FAA is issuing this AD to address the unsafe condition on these products.

Applicability · by US fleet size

  • PIAGGIO P180 50 tails

Federal Register text

Verbatim; the Federal Register publication is the legally binding document. Cite: 91 FR 1076. View on Federal Register ↗

[Federal Register Volume 91, Number 7 (Monday, January 12, 2026)] [Rules and Regulations] [Pages 1076-1078] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2026-00357]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2025-2272; Project Identifier MCAI-2025-00818-A; Amendment 39-23227; AD 2025-26-05] RIN 2120-AA64

Airworthiness Directives; Baykar Piaggio Aerospace S.p.A. (Type Certificate Previously Held by Piaggio Aviation S.p.A.) 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 certain Baykar Piaggio Aerospace S.p.A. (type certificate previously held by Piaggio Aviation S.p.A.) (Piaggio) Model P-180 airplanes. This AD was prompted by a report of leakage from the flexible hydraulic hoses connected to the hydraulic pump package (HPP). This AD requires replacing the affected flexible hydraulic hoses. This AD also prohibits installing the affected flexible hydraulic hoses on any airplane. The FAA is issuing this AD to address the unsafe condition on these products.

DATES: This AD is effective February 17, 2026. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of February 17, 2026.