# Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
> **Rule** · Final rule. · Published 2021-10-18 · Effective 2021-11-22 · 86 FR 57555
## Document
- **Document number:** 2021-22464
- **Category:** airworthiness
- **Manufacturer:** Sikorsky
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 86 FR 57555
- **Publication date:** 2021-10-18
- **Effective date:** 2021-11-22
- **FAA docket:** Docket No. FAA-2021-0106
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters. This AD was prompted by an incident of a side facing utility seat detaching from wall attachment points. This AD requires modifying certain side facing utility seats and observer seats, and prohibits installing those seats unless the modification has been accomplished. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/10/18/2021-22464/airworthiness-directives-sikorsky-aircraft-corporation-helicopters)
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