# Revision of Class E Airspace; Gillette, WY
> **Rule** · Final rule. · Published 2007-02-23 · Effective 2007-05-10 · 72 FR 8099
## Document
- **Document number:** E7-3049
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 8099
- **Publication date:** 2007-02-23
- **Effective date:** 2007-05-10
- **FAA docket:** Docket No. FAA-2005-20381
## Abstract

This action will revise the Class E airspace at Gillette, WY. Additional Class E airspace is necessary to accommodate aircraft using a new Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP) at Gillette-Campbell County Airport. This will improve the safety of Instrument Flight Rules (IFR) aircraft executing the new RNAV GPS SIAP at Gillette-Campbell County Airport, Gillette, WY.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/02/23/E7-3049/revision-of-class-e-airspace-gillette-wy)
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