# Establishment of United States Area Navigation Route T-581 in the vicinity of Missoula, Montana (25-ANM-158)

> **FAA** · Rulemaking · Modified 2025-12-12T13:10:12Z

## Docket
- **Docket ID:** FAA-2025-3288
- **Agency:** FAA
- **Type:** Rulemaking
- **Last modified:** 2025-12-12T13:10:12Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/FAA-2025-3288)
- [Public comments](https://www.regulations.gov/docket/FAA-2025-3288/comments)

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