# Establishment of Class E Airspace; Aspen, CO
> **Rule** · Final rule. · Published 2005-07-12 · 70 FR 39916
## Document
- **Document number:** 05-13644
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 39916
- **Publication date:** 2005-07-12
- **FAA docket:** Docket FAA 2003-16460
## Abstract

This final rule will establish Class E airspace at Aspen, CO. A reduction in operating hours of Class D airspace service at Aspen- Pitkin County/Sardy Field makes this action necessary. This Class E airspace extending upward from the surface of the earth will provide a controlled environment for the safety of aircraft executing Instrument Flight Rules (IFR) operations outside the hours of Class D airspace service.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/07/12/05-13644/establishment-of-class-e-airspace-aspen-co)
---
*AI Analytics · CC0 1.0*