# Amendment of Class D and Class E Airspace and Establishment of Class E Airspace; Casper, WY
> **Rule** · Final rule. · Published 2011-08-25 · Effective 2011-10-20 · 76 FR 53048
## Document
- **Document number:** 2011-21663
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 76 FR 53048
- **Publication date:** 2011-08-25
- **Effective date:** 2011-10-20
- **FAA docket:** Docket No. FAA-2011-0439
## Abstract

This action amends Class D and Class E airspace at Casper, Natrona County International Airport, Casper, WY, by adjusting the geographic coordinates of the airport. This action also establishes Class E En Route Domestic airspace at the airport to improve the safety and management of IFR operations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/08/25/2011-21663/amendment-of-class-d-and-class-e-airspace-and-establishment-of-class-e-airspace-casper-wy)
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