# Modification of Class E Airspace; Janesville, WI
> **Rule** · Final rule. · Published 2004-08-24 · Effective 2004-11-25 · 69 FR 51945
## Document
- **Document number:** 04-19373
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 51945
- **Publication date:** 2004-08-24
- **Effective date:** 2004-11-25
- **FAA docket:** Docket No. FAA-2004-17092
## Abstract

This action modifies Class E airspace at Janesville, WI. Standard Instrument Approach Procedures (SIAPS) have been developed for Southern Wisconsin Regional Airport. Controlled airspace extending upward from 700 feet or more above the surface of the earth is needed to contain aircraft executing these approaches. This action modifies the area of existing controlled airspace for Southern Wisconsin Regional Airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/08/24/04-19373/modification-of-class-e-airspace-janesville-wi)
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