Airworthiness Directives; Various Restricted Category Helicopters
airworthiness · Rule · Final rule. · Published 2022-01-21 · Effective 2022-02-25 · 87 FR 3176
Document
Document number
2022-00991
Federal Register citation
87 FR 3176
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Various Restricted Category
Publication date
2022-01-21
Effective date
2022-02-25
FAA docket
Docket No. FAA-2021-0189
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain type certificated Model UH-1H restricted category helicopters. This AD was prompted by multiple reports of failure of the main driveshaft. This AD requires establishing a limit to replace certain main driveshafts, and a one-time and repetitive inspections of the main driveshafts. The FAA is issuing this AD to address the unsafe condition on these products.