# Amendments to Colored Federal Airways; AK
> **Rule** · Final rule. · Published 2006-03-01 · Effective 2006-06-08 · 71 FR 10418
## Document
- **Document number:** 06-1913
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 10418
- **Publication date:** 2006-03-01
- **Effective date:** 2006-06-08
- **FAA docket:** Docket No. FAA-2005-23081
## Abstract

This action revokes Colored Federal Airway B-12, modifies three Colored Federal Airways B-4, R-50 and G-7, and establishes Colored Federal Airway R-4 in Alaska. These amendments remove all airways and routes off the Bishop, AK, Nondirectional Radio Beacon (NDB) in preparation for the NDB's eventual decommissioning from the National Airspace System (NAS).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/03/01/06-1913/amendments-to-colored-federal-airways-ak)
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