# Amendment of Class D Airspace; St. Louis, MO
> **Rule** · Final rule. · Published 2009-12-28 · Effective 2010-04-08 · 74 FR 68519
## Document
- **Document number:** E9-30269
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 74 FR 68519
- **Publication date:** 2009-12-28
- **Effective date:** 2010-04-08
- **FAA docket:** Docket No. FAA-2009-0543
## Abstract

This action amends Class D airspace to accommodate Area Navigation (RNAV) Standard Instrument Approach Procedures (SIAPs) at Spirit of St. Louis Airport, St. Louis, MO. The FAA is taking this action to enhance the safety and management of Instrument Flight Rule (IFR) operations at Spirit of St. Louis Airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/12/28/E9-30269/amendment-of-class-d-airspace-st-louis-mo)
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