Airworthiness Directives; MD Helicopters, LLC Helicopters
Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Nov. 3, 2026. Document 2026-22373. Updated Nov. 5, 2026.
Open for public comment until Dec. 18, 2026. Comment on Regulations.gov
- What it does
The FAA proposes to supersede Airworthiness Directive (AD) 90- 19-02, which applies to all MD Helicopters, LLC (type certificate previously held by McDonnell Douglas Helicopter Company) Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, and 369HS, helicopters, that are equipped with a cargo hook. AD 90-19-02 requires replacing the overrunning clutch assembly and sprag assembly with airworthy parts and repetitively inspecting the sprag assembly, clutch inner and outer races of the overrunning clutch assembly. Since the FAA issued AD 90-19-02, after further analysis the FAA determined that additional helicopter models are affected by this unsafe condition. This proposed AD would expand the applicability and would require removing certain overrunning clutch assemblies and certain overrunning clutch subassemblies from service, installing or replacing parts, and reidentifying certain overrunning clutch assemblies, as applicable. This proposed AD would also require for certain model helicopters, revising the Airworthiness Limitations Section (ALS) of the existing aircraft maintenance manual (AMM) or instructions for continued airworthiness (ICA) and the existing approved maintenance or inspection program, as applicable. 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:
- Before this
1084 earlier Federal Register documents under regulation identifier 2120-AA64 since Jan. 1, 2025.
- Nov. 3, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Airbus Helicopters
- Nov. 3, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; The Boeing Company Airplanes
- Nov. 3, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Embraer S.A. (Type Certificate Previously Held by Yaborã Indústria Aeronáutica S.A.; Embraer S.A.) Airplanes
- Nov. 2, 2026 Final rule. Airworthiness Directives; The Boeing Company Airplanes
- Nov. 2, 2026 Final rule. Airworthiness Directives; The Boeing Company Airplanes
- Nov. 2, 2026 Final rule. Airworthiness Directives; Diamond Aircraft Industries Inc. Airplanes
- Nov. 2, 2026 Final rule; request for comments. Airworthiness Directives; BRP-Rotax GmbH & Co KG (Formerly BRP-Powertrain GMBH & CO KG and Bombardier-Rotax GmbH) Engines
- Oct. 28, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Airbus Helicopters
Since then:
- What happens next and when
The FAA must receive comments on this proposed AD by December 18, 2026.
The agency's dates, word for word.
The record as published
| Document number | 2026-22373 |
|---|---|
| Action | Notice of proposed rulemaking (NPRM). |
| Agencies | Transportation Department; Federal Aviation Administration |
| Published | Nov. 3, 2026 |
| Comments close | Dec. 18, 2026 |
| Regulation identifier (RIN) | 2120-AA64 |
| Docket | FAA-2026-11819 |
Source: the Federal Register (public domain). The document in the Federal Register