# Establishment of Area Navigation (RNAV) Routes T-469 and T-472; Southwest United States
> **Rule** · Final rule. · Published 2023-09-22 · Effective 2023-11-30 · 88 FR 65314
## Document
- **Document number:** 2023-20450
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 88 FR 65314
- **Publication date:** 2023-09-22
- **Effective date:** 2023-11-30
- **FAA docket:** Docket No. FAA-2023-0456
## Abstract

This action establishes Area Navigation (RNAV) routes T-469 and T-472 in the southwest United States. The new RNAV routes expand the availability of the enroute structure and provide additional RNAV routing within the National Airspace System (NAS) in support of transitioning it from ground-based to satellite-based navigation.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/09/22/2023-20450/establishment-of-area-navigation-rnav-routes-t-469-and-t-472-southwest-united-states)
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