# Modification of Class E Airspace; Chicago, IL
> **Rule** · Final rule. · Published 2003-12-24 · 68 FR 74472
## Document
- **Document number:** 03-31739
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 68 FR 74472
- **Publication date:** 2003-12-24
- **FAA docket:** Docket No. FAA-2003-15465
## Abstract

This action modifies Class E airspace at Chicago, IL. Area Navigation (RNAV) Standard Instrument Approach Procedures (SIAPS) have been developed for Aurora Municipal Airport, Chicago, IL. Controlled airspace extending upward from the surface of the earth is needed to contain aircraft executing these approaches. This action would add an extension to the controlled airspace for Aurora Municipal Airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/12/24/03-31739/modification-of-class-e-airspace-chicago-il)
---
*AI Analytics · CC0 1.0*