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Data / Federal rules / 2025-23103

Airworthiness Directives; Airbus Helicopters

The Federal Aviation Administration published this proposed rule in the Federal Register on December 17, 2025. Comments closed on February 2, 2026.

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What the agency says

The FAA proposes to supersede Airworthiness Directive (AD) 2020-09-15, which applies to certain Airbus Helicopters Model AS332C, AS332C1, AS332L, and AS332L1 helicopters. AD 2020-09-15 requires removing the removable parts of the dual hoist installation or removing the de-icing system and allows, for certain helicopters, revising the rotorcraft flight manual (RFM) for the helicopter and installing a placard as an optional method of compliance. Since the FAA issued AD 2020-09-15, analysis revealed that additional vibration level measurements are necessary. This proposed AD would retain all the requirements of AD 2020-09-15 and would require for certain helicopters repetitively measuring vibration levels in-flight, and depending on the results, performing corrective actions. The FAA is proposing this AD to address the unsafe condition on these products.

Key facts

Document number
2025-23103
Type
Proposed rule
Action
Notice of proposed rulemaking (NPRM)
Agency
Transportation Department; Federal Aviation Administration
Published
December 17, 2025
Comments due
February 2, 2026
Dates
The FAA must receive comments on this NPRM by February 2, 2026.
Docket
Docket No. FAA-2025-5389; Project Identifier MCAI-2024-00716-R
Regulation ID (RIN)
2120-AA64
Code of Federal Regulations
14 CFR 39
Topics
Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
Pages
4

The document on federalregister.gov PDF

Other documents from the Federal Aviation Administration

Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in December 2025

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.