# Special Conditions: Airbus Model A321neo ACF Airplane; Dynamic Test Requirements for Single-Occupant Oblique (Side-Facing) Seats With 3-Point Restraints
> **Rule** · Final special conditions; request for comments. · Published 2021-03-15 · Effective 2021-03-15 · 86 FR 14234
## Document
- **Document number:** 2021-05307
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 86 FR 14234
- **Publication date:** 2021-03-15
- **Effective date:** 2021-03-15
- **FAA docket:** Docket No. FAA-2020-0817
## Abstract

These special conditions are issued for the Airbus Model A321neo Cabin Flex (ACF) airplane. This airplane will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. This design feature is single-occupant oblique seats with 3- point restraints. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/03/15/2021-05307/special-conditions-airbus-model-a321neo-acf-airplane-dynamic-test-requirements-for-single-occupant)
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