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Proposed rule

Airworthiness Directives; Airbus Helicopters

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Feb. 26, 2026. Document 2026-03874. Updated Nov. 14, 2026.

What it does

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model H160-B helicopters modified by Supplemental Type Certificate (STC) SR00223IB. This proposed AD was prompted by reports of various deficiencies on the parts installed on the jettisonable window system. This proposed AD would require removing the jettisonable window and, depending on the removal results, replacing the locking fingers; inspecting and replacing any missing retaining rings; and inspecting the left-hand (LH) side and right-hand (RH) side emergency handle latch covers (covers) and, depending on the inspection results, replacing the covers or reinstalling airworthy covers. This proposed AD would also require performing repetitive lubrication of the locking fingers installed on the windows jettisonable system and repetitive operational tests of the windows jettisonable system after each lubrication. Additionally, this proposed AD would require modifying the helicopter by replacing each cover and would prohibit the installation of certain window aesthetic covers or electrochromic windows unless certain requirements are met. The FAA is proposing this AD to address the unsafe condition on these products.

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

What it would change

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

14 CFR 39

Before this

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

Since then:

What happens next and when

The FAA must receive comments on this NPRM by April 13, 2026.

The agency's dates, word for word.

Document number2026-03874
ActionNotice of proposed rulemaking (NPRM).
AgenciesTransportation Department; Federal Aviation Administration
PublishedFeb. 26, 2026
Comments closeApril 13, 2026
Regulation identifier (RIN)2120-AA64
DocketFAA-2026-2283

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