# Establishment of Area Navigation (RNAV) Routes; Eastern United States
> **Rule** · Final rule. · Published 2023-09-25 · Effective 2023-11-30 · 88 FR 65590
## Document
- **Document number:** 2023-20613
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 88 FR 65590
- **Publication date:** 2023-09-25
- **Effective date:** 2023-11-30
- **FAA docket:** Docket No. FAA-2023-0687
## Abstract

This action establishes four low altitude United States Area Navigation (RNAV) routes (T-routes) in support of the Very High Frequency (VHF) Omnidirectional Range (VOR) Minimum Operational Network (MON) Program. The purpose is to 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/2023/09/25/2023-20613/establishment-of-area-navigation-rnav-routes-eastern-united-states)
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