# Modification of Class D and E Airspace; Fort Huachuca, AZ
> **Rule** · Final rule. · Published 2011-07-28 · Effective 2011-10-20 · 76 FR 45178
## Document
- **Document number:** 2011-18947
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 76 FR 45178
- **Publication date:** 2011-07-28
- **Effective date:** 2011-10-20
- **FAA docket:** Docket No. FAA-2011-0359
## Abstract

This action modifies Class D and Class E airspace at Fort Huachuca, AZ, to accommodate aircraft departing and arriving under Instrument Flight Rules (IFR) at Fort Huachuca, Sierra Vista Municipal Airport-Libby Army Airfield. This action, initiated by the biennial review of the Fort Huachuca airspace area, enhances the safety and management of aircraft operations at the airport. This action also updates the airport name.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/07/28/2011-18947/modification-of-class-d-and-e-airspace-fort-huachuca-az)
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