# Modification of Class E Airspace; Clifton/Morenci, AZ
> **Rule** · Final rule. · Published 2013-06-10 · Effective 2013-08-22 · 78 FR 34558
## Document
- **Document number:** 2013-13360
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 78 FR 34558
- **Publication date:** 2013-06-10
- **Effective date:** 2013-08-22
- **FAA docket:** Docket No. FAA-2012-1237
## Abstract

This action modifies Class E airspace at Greenlee County Airport, Clifton/Morenci, AZ, to accommodate aircraft using Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at Greenlee County Airport. This improves the safety and management of Instrument Flight Rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/06/10/2013-13360/modification-of-class-e-airspace-cliftonmorenci-az)
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