# Modification of the St. Louis Class B Airspace Area; MO
> **Rule** · Final rule. · Published 2006-02-15 · Effective 2006-04-13 · 71 FR 7848
## Document
- **Document number:** 06-1429
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 7848
- **Publication date:** 2006-02-15
- **Effective date:** 2006-04-13
## Abstract

This action modifies the St. Louis, MO, (STL) Class B airspace area to contain large, turbine-powered aircraft operations to and from the new Runway 11/29 at the Lambert-St. Louis International Airport (KSTL), St. Louis, MO. The FAA is taking this action to enhance safety and improve the management of aircraft operations in the KSTL terminal area. Further, this effort supports the FAA's national airspace redesign goal of optimizing terminal and en route airspace areas to reduce aircraft delays and improve system capacity.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/02/15/06-1429/modification-of-the-st-louis-class-b-airspace-area-mo)
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