# Amendment of Class E Airspace; Plymouth and Winamac, IN
> **Rule** · Final rule. · Published 2023-01-17 · Effective 2023-04-20 · 88 FR 2503
## Document
- **Document number:** 2023-00496
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 88 FR 2503
- **Publication date:** 2023-01-17
- **Effective date:** 2023-04-20
- **FAA docket:** Docket No. FAA-2022-1225
## Abstract

This action amends the Class E airspace at Plymouth and Winamac, IN. This action is due to airspace reviews conducted as part of the decommissioning of the Knox very high frequency (VHF) omnidirectional range (VOR) as part of the VOR Minimal Operational Network (MON) Program. The geographic coordinates of Plymouth Municipal Airport are also being updated to coincide with the FAA's aeronautical database.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/01/17/2023-00496/amendment-of-class-e-airspace-plymouth-and-winamac-in)
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