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Final ruleTook effect Aug. 10, 2026

Airworthiness Directives; Airbus Helicopters

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register July 6, 2026. Document 2026-13538. Updated Nov. 8, 2026.

What it does

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model H160-B helicopters modified by Supplemental Type Certificate (STC) SR00223IB. This AD was prompted by a report that several self-locking nuts of the window jettisoning system could be loosened by hand due to a non-conformity in the cable kit. This AD requires modifying an affected window into a serviceable window. This AD also prohibits installing an affected window or an affected door on any helicopter modified with STC SR00223IB. 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 482 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

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

Since then:

What happens next and when

This AD is effective August 10, 2026. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of August 10, 2026.

The agency's dates, word for word.

Document number2026-13538
ActionFinal rule.
AgenciesTransportation Department; Federal Aviation Administration
PublishedJuly 6, 2026
Effective dateAug. 10, 2026
Regulation identifier (RIN)2120-AA64
DocketFAA-2025-2551

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