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Notice of proposed rulemaking (NPRM).

This action proposes to modify VHF Omnidirectional Range (VOR) Federal airways V-47, V-54, V-69, V-94, V-140, V-278, V-305, and remove V-397, in association with the Graceland VOR Minimum Operational Network (MON) project in the southeastern United States. This action is necessary due to the planned decommissioning of the following ground- based navigation aids: Dyersburg, TN, (DYR) VOR Tactical Air Navigation (VORTAC); Malden, MO, (MAW) VORTAC; Monticello, AR, (MON) VOR/DME; and the Muscle Shoals, AL, (MSL) VORTAC.

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