# Establishment of Class E Airspace; Ottawa, IL
> **Rule** · Final rule. · Published 2026-09-22 · Effective 2026-12-24 · 91 FR 59987
## Document
- **Document number:** 2026-19391
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 91 FR 59987
- **Publication date:** 2026-09-22
- **Effective date:** 2026-12-24
- **FAA docket:** Docket No. FAA-2026-8548
## Abstract

This action establishes Class E airspace at OSF St Francis Medical Center Heliport, Ottawa, IL. This action supports new instrument procedures and instrument flight rule (IFR) operations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/09/22/2026-19391/establishment-of-class-e-airspace-ottawa-il)
---
*MORVS · CC0 1.0*