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Notice of proposed rulemaking (NPRM).

This action proposes to amend Very High Frequency (VHF) Omnidirectional Range (VOR) Federal Airway V-469; and to revoke VOR Federal Airways V-164, V-423, and V-576 in support of the FAA's VOR Minimum Operational Network (MON) Program. The purpose is to enhance the efficiency of the National Airspace System (NAS) by transitioning from ground-based navigation aids to a satellite-based navigation system.

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