# Amendment of Class E Airspace; Spearfish, SD
> **Rule** · Final rule. · Published 2011-11-02 · Effective 2012-02-09 · 76 FR 67596
## Document
- **Document number:** 2011-28289
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 76 FR 67596
- **Publication date:** 2011-11-02
- **Effective date:** 2012-02-09
- **FAA docket:** Docket No. FAA-2011-0431
## Abstract

This action amends Class E airspace at Spearfish, SD, to accommodate new Area Navigation (RNAV) Standard Instrument Approach Procedures at Black Hills Airport--Clyde Ice Field, and updates the geographic coordinates of the airport. There also is a minor correction to the coordinates of controlled airspace 1,200 feet above the surface, and a minor change in the airport name. The FAA is taking this action to enhance the safety and management of Instrument Flight Rule (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/11/02/2011-28289/amendment-of-class-e-airspace-spearfish-sd)
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