# Establishment of United States Area Navigation (RNAV) Route T-381; Big Lake, AK
> **Rule** · Final rule. · Published 2022-07-14 · Effective 2022-09-08 · 87 FR 42070
## Document
- **Document number:** 2022-15064
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 87 FR 42070
- **Publication date:** 2022-07-14
- **Effective date:** 2022-09-08
- **FAA docket:** Docket No. FAA-2021-0856
## Abstract

This action establishes United States Area Navigation (RNAV) route T-381 in the vicinity of Big Lake, AK in support of a large and comprehensive T-route modernization project for the state of Alaska.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/07/14/2022-15064/establishment-of-united-states-area-navigation-rnav-route-t-381-big-lake-ak)
---
*AI Analytics · CC0 1.0*