# Revocation of Colored Federal Airways Amber 5 (A-5) and Blue 4 (B-4); Bettles, AK
> **Rule** · Final rule. · Published 2022-12-02 · Effective 2023-02-23 · 87 FR 73929
## Document
- **Document number:** 2022-26162
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 87 FR 73929
- **Publication date:** 2022-12-02
- **Effective date:** 2023-02-23
- **FAA docket:** Docket No. FAA-2022-0172
## Abstract

This action revokes Colored Federal airways Amber 5 (A-5) and Blue 4 (B-4) in the vicinity of Bettles, AK, due to the planned decommissioning of the Evansville, AK (EAV), Non-Directional Beacon (NDB).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/12/02/2022-26162/revocation-of-colored-federal-airways-amber-5-a-5-and-blue-4-b-4-bettles-ak)
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