# Amendment to Class E Airspace; Dubuque, IA
> **Rule** · Direct final rule; confirmation of effective date. · Published 1999-02-22 · Effective 1999-03-25 · 64 FR 8507
## Document
- **Document number:** 99-4177
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; confirmation of effective date.
- **Citation:** 64 FR 8507
- **Publication date:** 1999-02-22
- **Effective date:** 1999-03-25
- **FAA docket:** Airspace Docket No. 98-ACE-58
## Abstract

This document confirms the effective date of a direct final rule which revises Class E airspace at Dubuque, IA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/02/22/99-4177/amendment-to-class-e-airspace-dubuque-ia)
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