# Establishment of United States Area Navigation (RNAV) Routes; South and Central United States
> **Rule** · Final rule. · Published 2022-03-15 · Effective 2022-05-19 · 87 FR 14394
## Document
- **Document number:** 2022-05340
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 87 FR 14394
- **Publication date:** 2022-03-15
- **Effective date:** 2022-05-19
- **FAA docket:** Docket No. FAA-2021-0920
## Abstract

This action establishes three United States Area Navigation (RNAV) routes, designated T-370, T-398, and T-419, in the south and central United States. These routes supplement certain VHF Omnidirectional Range (VOR) Federal airways in support of the VOR Minimum Operational Network (MON) program, and they expand the availability of RNAV routing in the National Airspace System (NAS).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/03/15/2022-05340/establishment-of-united-states-area-navigation-rnav-routes-south-and-central-united-states)
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