# Amendment of Class E Airspace; Ava, MO
> **Rule** · Final rule. · Published 2011-07-22 · Effective 2011-10-20 · 76 FR 43821
## Document
- **Document number:** 2011-18185
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 76 FR 43821
- **Publication date:** 2011-07-22
- **Effective date:** 2011-10-20
- **FAA docket:** Docket No. FAA-2011-0122
## Abstract

This action amends Class E airspace for Ava, MO. Decommissioning of the Bilmart non-directional beacon (NDB) at Ava Bill Martin Memorial Airport, Ava, MO, has made this action necessary to enhance the safety and management of Instrument Flight Rule (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/07/22/2011-18185/amendment-of-class-e-airspace-ava-mo)
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