# Establishment of Class E Airspace; Walden, CO
> **Rule** · Final rule. · Published 2008-03-20 · Effective 2008-06-05 · 73 FR 14924
## Document
- **Document number:** 08-1028
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 73 FR 14924
- **Publication date:** 2008-03-20
- **Effective date:** 2008-06-05
- **FAA docket:** Docket No. FAA-2007-0205
## Abstract

This action will establish Class E airspace at Walden, CO. 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 Walden-Jackson County Airport. This will improve the safety of Instrument Flight Rules (IFR) aircraft executing the new RNAV GPS SIAP at Walden-Jackson County Airport, Walden, CO.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/03/20/08-1028/establishment-of-class-e-airspace-walden-co)
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