Airworthiness Directives; Airbus Helicopters

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Jan. 16, 2026. Document 2026-00818. Updated Nov. 15, 2026.

What it does

The FAA is superseding Airworthiness Directive (AD) 2025-23- 52, which applied to all Airbus Helicopters Model EC130B4 and EC130T2 helicopters. AD 2025-23-52, required replacing the center shaft assembly with a serviceable center shaft assembly (either a shaft with another part number (P/N) or the same P/N with lower hours time-in- service (TIS)) and prohibited installing a center shaft assembly that is not a serviceable center shaft assembly on any helicopter. Since the FAA issued AD 2025-23-52, it was determined that for certain center shaft assemblies a repetitive inspection is adequate instead of replacement. This AD requires repetitively inspecting the center shaft assembly for cracks and replacing the center shaft assembly if it fails the inspection or exceeds a certain TIS. This AD also prohibits installing a center shaft assembly that is not a serviceable center shaft assembly on any helicopter. The FAA is issuing this AD to address the unsafe condition on these products.

The Federal Aviation Administration's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 14 of the Code of Federal Regulations:

14 CFR 39

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Federal Aviation Administration has published 489 final rules in 2026 so far, compared with 518 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

Before this

593 earlier Federal Register documents under regulation identifier 2120-AA64 since Jan. 1, 2025.

Jan. 16, 2026 Proposed rule; correction. Airworthiness Directives; The Boeing Company Airplanes
Jan. 16, 2026 Final rule. Airworthiness Directives; Bombardier, Inc., Airplanes
Jan. 16, 2026 Final rule. Airworthiness Directives; The Boeing Company Airplanes
Jan. 16, 2026 Final rule. Airworthiness Directives; The Boeing Company Airplanes
Jan. 16, 2026 Final rule. Airworthiness Directives; The Boeing Company Airplanes
Jan. 13, 2026 Final rule. Airworthiness Directives; Honda Aircraft Company LLC Airplanes
Jan. 12, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Airbus SAS Airplanes
Jan. 12, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; The Boeing Company Airplanes

Since then:

What happens next and when

This AD is effective February 2, 2026.

The agency's dates, word for word.

Check it yourself

The record as published

Document number	2026-00818
Action	Final rule; request for comments.
Agencies	Transportation Department; Federal Aviation Administration
Published	Jan. 16, 2026
Effective date	Feb. 2, 2026
Comments close	March 2, 2026
Regulation identifier (RIN)	2120-AA64
Docket	FAA-2026-0011

Source: the Federal Register (public domain). The document in the Federal Register