Proposed Rule2025-22635
Establishment of United States Area Navigation Route T-581 in the Vicinity of Missoula, Montana
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
December 12, 2025
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
This action proposes to establish United States Area Navigation (RNAV) Route T-581 in the vicinity of Missoula, Montana. The FAA is proposing this action to increase navigational flexibility and safety margins for the users and to expand Air Traffic Control operational capabilities.
Indexed from Federal Register on December 12, 2025.
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