# Improved Flammability Standards for Thermal/Acoustic Insulation Materials Used in Transport Category Airplanes
> **Rule** · Final rule; correction. · Published 2003-08-20 · Effective 2003-08-20 · 68 FR 50054
## Document
- **Document number:** 03-21330
- **Category:** other
- **Type:** Rule
- **Action:** Final rule; correction.
- **Citation:** 68 FR 50054
- **Publication date:** 2003-08-20
- **Effective date:** 2003-08-20
- **FAA docket:** Docket No. FAA-2000-7909
## Abstract

This document makes a correction to the final rule published in the Federal Register on July 31, 2003. That rule upgraded flammability standards for thermal and acoustic insulation materials used in transport category airplanes.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/08/20/03-21330/improved-flammability-standards-for-thermalacoustic-insulation-materials-used-in-transport-category)
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