The June 20, 2019 update to the Aeronautical Chart User’s Guide explains the new MON designator added to basic airport information displayed on IFR enroute charts The new label is added to airports that are part of the VOR Minimum Operational Network plan that FAA is implementing as it gradually decommissions about 30 percent of […]
via New Airport Info on FAA IFR charts — BruceAir, LLC (bruceair.com)
Fly 'n Things 