# Airworthiness Directives; Leonardo S.p.a. Helicopters
> **Rule** · Final rule; request for comments. · Published 2021-03-11 · Effective 2021-03-26 · 86 FR 13814
## Document
- **Document number:** 2021-05199
- **Category:** airworthiness
- **Manufacturer:** Leonardo S.p.a.
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 86 FR 13814
- **Publication date:** 2021-03-11
- **Effective date:** 2021-03-26
- **FAA docket:** Docket No. FAA-2021-0025
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain forward facing center seats (seats). This AD was prompted by a design deficiency that affects seats on certain main cabin floor installations. The actions of this AD are intended to address an unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/03/11/2021-05199/airworthiness-directives-leonardo-spa-helicopters)
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