# Amendment of Class D Airspace; Appleton, WI
> **Rule** · Final rule. · Published 2026-04-20 · Effective 2026-07-09 · 91 FR 20874
## Document
- **Document number:** 2026-07644
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 91 FR 20874
- **Publication date:** 2026-04-20
- **Effective date:** 2026-07-09
- **FAA docket:** Docket No. FAA-2026-2212
## Abstract

This action amends the Class D airspace at Appleton, WI. This action accommodates revised instrument procedures and brings the airspace into compliance with FAA orders and supports instrument flight rule (IFR) procedures and operations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/04/20/2026-07644/amendment-of-class-d-airspace-appleton-wi)
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