# Amendment to Class E Airspace; Audubon, IA
> **Rule** · Direct final rule; confirmation of effective date. · Published 1998-03-30 · Effective 1998-04-23 · 63 FR 15082
## Document
- **Document number:** 98-8270
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; confirmation of effective date.
- **Citation:** 63 FR 15082
- **Publication date:** 1998-03-30
- **Effective date:** 1998-04-23
- **FAA docket:** Airspace Docket No. 97-ACE-30
## Abstract

This document confirms the effective date of a direct final rule published on January 16, 1998, which revises Class E airspace at Audubon, IA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/03/30/98-8270/amendment-to-class-e-airspace-audubon-ia)
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