# Modification of Area Navigation (RNAV) Route T-266; AK
> **Rule** · Final rule. · Published 2013-04-15 · Effective 2013-06-27 · 78 FR 22190
## Document
- **Document number:** 2013-08599
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 78 FR 22190
- **Publication date:** 2013-04-15
- **Effective date:** 2013-06-27
- **FAA docket:** Docket No. FAA-2012-1295
## Abstract

This action modifies low-altitude RNAV route T-266 in the state of Alaska by removing two non-directional beacons (NDB) as the navigation signal source for segments of the route and replacing them with RNAV waypoints. This action enhances the safety and efficiency of the National Airspace System (NAS).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/04/15/2013-08599/modification-of-area-navigation-rnav-route-t-266-ak)
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