# Airworthiness Directives; Robinson Helicopter Company Helicopters
> **Rule** · Final rule. · Published 2020-04-17 · Effective 2020-05-22 · 85 FR 21318
## Document
- **Document number:** 2020-08072
- **Category:** airworthiness
- **Manufacturer:** Robinson Helicopter Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 85 FR 21318
- **Publication date:** 2020-04-17
- **Effective date:** 2020-05-22
- **FAA docket:** Docket No. FAA-2017-0947
## Abstract

The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R44 and R44 II helicopters. This AD was prompted by reports of cracking in certain tail rotor blades. This AD requires visually checking each tail rotor blade for a crack. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/04/17/2020-08072/airworthiness-directives-robinson-helicopter-company-helicopters)
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