# Federal Register #FAA-2026-11287

FAA Proposes RNAV Route T-337 and Amendments to VOR Airways Near Twin Falls, ID

**Buyer:** Federal Aviation Administration
**Posted:** September 15, 2026
**Respond By:** October 30, 2026
**Identifier:** FAA-2026-11287
**NAICS:** 926120

This opportunity concerns a proposed regulatory action by the Federal Aviation Administration (FAA), part of the Department of Transportation, regarding airspace structure near Twin Falls, Idaho.
- Government Buyer:
  - Federal Aviation Administration (FAA)
  - Department of Transportation
- Purpose:
  - Proposes establishment of United States Area Navigation (RNAV) route T-337
  - Amends Very High Frequency (VHF) Omnidirectional Range (VOR) federal airways V-101 and V-484
  - Action prompted by the scheduled decommissioning of the Hailey, ID, Nondirectional Radio Beacon (NDB)/Distance Measuring Equipment (DME)
- Scope of Action:
  - Revokes certain segments of V-101 and V-484
  - Establishes T-337 to mitigate the impact of the NDB/DME decommissioning
- Notable Requirements:
  - No procurement of products or services is requested
  - No OEMs or vendors are mentioned
  - The notice invites public comments on the proposed airspace amendments
- Technical Details:
  - Focused on regulatory changes to airspace structure, not acquisition of equipment or services

### Description

This proposed rule aims to establish RNAV route T-337 and amend existing VOR airways V-101 and V-484 near Twin Falls, ID, due to the decommissioning of the Hailey NDB/DME. The FAA is proposing to revoke certain segments of V-101 and V-484 and establish the new RNAV route T-337 to mitigate the impact. Comments on the proposal must be received by October 30, 2026.

[View original listing](https://www.federalregister.gov/documents/2026/09/15/2026-18860/establishment-of-united-states-area-navigation-route-t-337-and-amendment-of-very-high-frequency)