# Revision of Class E Airspace; Prospect Creek, AK
> **Rule** · Final rule. · Published 2005-09-13 · Effective 2005-09-13 · 70 FR 53920
## Document
- **Document number:** 05-18153
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 53920
- **Publication date:** 2005-09-13
- **Effective date:** 2005-09-13
- **FAA docket:** Docket No. FAA-2005-21601
## Abstract

This action revises Class E airspace at Prospect Creek, AK to provide adequate controlled airspace to contain aircraft executing Special Instrument Approach Procedures (SIAPs). This rule results in revised Class E airspace upward from 700 feet (ft.) above the surface at Prospect Creek, AK.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/09/13/05-18153/revision-of-class-e-airspace-prospect-creek-ak)
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