# Modification of Class D Airspace; and Modification of Class E Airspace; Sioux City, IA
> **Rule** · Direct final rule; confirmation of effective date. · Published 2003-06-20 · 68 FR 36906
## Document
- **Document number:** 03-15683
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; confirmation of effective date.
- **Citation:** 68 FR 36906
- **Publication date:** 2003-06-20
- **FAA docket:** Docket No. FAA-2003-14937
## Abstract

This document confirms the effective date of the direct final rule which revises Class D and Class E airspace at Sioux City, IA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/06/20/03-15683/modification-of-class-d-airspace-and-modification-of-class-e-airspace-sioux-city-ia)
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