# Establishment and Modification of Class E Airspace; Gunnison, CO
> **Rule** · Final rule. · Published 2010-03-18 · Effective 2010-06-03 · 75 FR 12973
## Document
- **Document number:** 2010-5605
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 75 FR 12973
- **Publication date:** 2010-03-18
- **Effective date:** 2010-06-03
- **FAA docket:** Docket No. FAA-2009-0949
## Abstract

This action will establish and amend existing Class E airspace at Gunnison, CO, to accommodate aircraft using a new Area Navigation (RNAV) Standard Instrument Approach Procedure (SIAP) at Gunnison- Crested Butte Regional Airport. This will improve the safety and management of Instrument Flight Rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/03/18/2010-5605/establishment-and-modification-of-class-e-airspace-gunnison-co)
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