# Removal of Regulations Allowing for Polished Frost
> **Rule** · Final rule. · Published 2009-12-01 · Effective 2010-02-01 · 74 FR 62691
## Document
- **Document number:** E9-28431
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 74 FR 62691
- **Publication date:** 2009-12-01
- **Effective date:** 2010-02-01
- **FAA docket:** Docket No. FAA-2007-29281
## Abstract

The FAA is removing certain provisions in its regulations that allow for operations with "polished frost" (i.e., frost polished to make it smooth) on the wings and stabilizing and control surfaces of aircraft. The rule is expected to increase safety by not allowing operations with "polished frost," which the FAA has determined increases the risk of unsafe flight.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/12/01/E9-28431/removal-of-regulations-allowing-for-polished-frost)
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