New Idaho Air Route as Old Beacon Bites Dust
Published Date: 9/15/2026
Proposed Rule
Summary
The FAA wants to create a new flight route called T-337 and change two existing airways, V-101 and V-484, near Twin Falls, Idaho. This is because an old navigation beacon in Hailey, ID, is being shut down. Pilots and airlines flying in this area should get ready for these updates, and the public can share their thoughts by October 30, 2026.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
Hailey NDB/DME to be removed
The Hailey, ID, NDB/DME (HLE) is scheduled to be decommissioned on April 15, 2027. This NAVAID has been out of service since January 2023 and was used as a backup for Friedman Memorial Airport (KSUN).
New RNAV Route T-337 added
The FAA proposes a new RNAV route T-337 that would run from Twin Falls, ID (TWF) VORTAC to the ENDBE waypoint, with ENDBE established in place of the Hailey NDB/DME. The new route is proposed as a mitigation for the segment of V-484 affected by the HLE decommissioning.
V-101 and V-484 airway segments amended
The FAA proposes to revoke specified segments of V-101 and V-484 near Twin Falls, ID, and to amend the remaining extents of those airways as described in the proposal. The FAA states operators may see, at most, de minimis costs or minor flight rerouting from these amendments.
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