WASHINGTON, Sept. 18 -- Federal Aviation Administration has issued a rule called: Establishment of United States Area Navigation Route T-581 in the Vicinity of Missoula, Montana.
The rule was published in the Federal Register on Sept. 18 by Alex W. Nelson, Manager, Rules and Regulations Group.
Summary: This action corrects a final rule published by the FAA in the Federal Registeron August 3, 2026, establishing United States Area Navigation (RNAV) Route T-581 in the vicinity of Missoula, Montana. Specifically, this action corrects the description of the route in the regulatory text of the final rule.
For more information, contact Steven Roff, Rules and Regulations Group, Office of Policy, Federal Aviation Administration, 800 Independence ...