# Amendment of Class E Airspace; Ada, OK
> **Rule** · Final rule. · Published 2009-06-30 · 74 FR 31173
## Document
- **Document number:** E9-15338
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 74 FR 31173
- **Publication date:** 2009-06-30
- **FAA docket:** Docket No. FAA-2009-0051
## Abstract

This action amends Class E airspace at Ada, OK. Additional controlled airspace is necessary to accommodate Area Navigation (RNAV) Standard Instrument Approach Procedures (SIAP) at Ada Municipal Airport, Ada, OK. This action also updates the geographic coordinates of the airport to coincide with the FAA's National Aeronautical Charting Office. The FAA is taking this action to enhance the safety and management of Instrument Flight Rule (IFR) operations at Ada Municipal Airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/06/30/E9-15338/amendment-of-class-e-airspace-ada-ok)
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