# Special Conditions: Boeing Model 757 Series Airplanes; Seats with Non-Traditional, Large, Non-Metallic Panels
> **Rule** · Final special condition; request for comments. · Published 2012-11-09 · Effective 2012-11-05 · 77 FR 67251
## Document
- **Document number:** 2012-27370
- **Category:** other
- **Type:** Rule
- **Action:** Final special condition; request for comments.
- **Citation:** 77 FR 67251
- **Publication date:** 2012-11-09
- **Effective date:** 2012-11-05
- **FAA docket:** Docket No. FAA-2012-1194
## Abstract

These special conditions are issued for the Boeing Model 757 series airplanes. These airplanes as modified by Flight Structures, Inc. will have novel or unusual design features associated with seats that include non-traditional, large, non-metallic panels that would affect survivability during a post-crash fire event. 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/2012/11/09/2012-27370/special-conditions-boeing-model-757-series-airplanes-seats-with-non-traditional-large-non-metallic)
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