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Notice of proposed rulemaking (NPRM).
This action proposes to modify VHF Omnidirectional Range (VOR) Federal airways V-5, V-20, V-155, V-241, and V-321; and to remove jet routes J-37, J-55, J-79, J-121, J-174, J-191, and J-209. These changes support the VOR Minimum Operation Network (MON) project in the eastern United States.