# Amendment of Class D Airspace and Establishment of Class E Airspace; Butts Army Airfield (AAF) (Fort Carson) Airport, CO
> **Rule** · Final rule. · Published 2022-12-05 · Effective 2023-02-23 · 87 FR 74301
## Document
- **Document number:** 2022-26349
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 87 FR 74301
- **Publication date:** 2022-12-05
- **Effective date:** 2023-02-23
- **FAA docket:** Docket No. FAA-2022-0797
## Abstract

This action modifies the Class D surface area, and establishes Class E airspace extending upward from 700 feet above the surface at Butts AAF (Fort Carson) Airport, CO. Additionally, this action makes administrative changes to update the airport's existing Class D legal description. These actions will support the safety and management of instrument flight rules (IFR) and visual flight rules (VFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/12/05/2022-26349/amendment-of-class-d-airspace-and-establishment-of-class-e-airspace-butts-army-airfield-aaf-fort)
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