Federal Register #FAA-2026-4792

FAA Proposal: Establishment of RNAV Route Q-838 and Revocation of Jet Route J-539 near Glasgow, MT

The Federal Aviation Administration (FAA) is proposing changes to airspace navigation near Glasgow, Montana: - Establishment of Canadian Area Navigation (RNAV) Route Q-838 - Connects to NAV Canada's Q-838 at the U.S./Canadian border - Revocation of Jet Route J-539 - Supports NAV Canada's modernization from ground-based navigation aids to satellite-based Performance Based Navigation (PBN) - Removal of navigation fix CFWVQ - No products, services, OEMs, or vendors are involved - Rulemaking is focused on airspace designation and navigation points - Public comments are invited on the proposed changes

Locations: - Glasgow, MT (vicinity of airspace changes) - Federal Aviation Administration, 600 Independence Avenue SW, Washington, DC (contracting office)

Description

This proposed rule by the Federal Aviation Administration (FAA) aims to establish Canadian Area Navigation (RNAV) Route Q-838 and revoke Jet Route J-539 near Glasgow, Montana. The action is intended to provide enroute continuity with NAV Canada's ongoing route structure modernization efforts, transitioning from ground-based navigation aids to satellite-based Performance Based Navigation. The proposal includes removing the current navigation fix CFWVQ and connecting the new route to NAV Canada's existing Q-838 at the U.S./Canadian border. Public comments on this proposal are invited until June 22, 2026.

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