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![]() As of April 2019, the FAA had decommissioned 23 VORs. The agency is now targeting (a reduction of) 308 VORs by 2025. As with most things in the FAA, the project has slipped. The original plan called for decommissioning 470 odd VORs starting in 2014 and completing the project by 2020. Only the rare GA aircraft that is still navigating solely by VORs will see an impact-and that is still years away. For most of us, the effect will be minimal. When a VOR is decommissioned, it is replaced with a GPS based intersection and GPS based airways. ![]() MON coverage would only be guaranteed above 5,000 feet AGL. Once the VOR system has reached the minimum operational network (MON), the planned VOR coverage would also enable airplanes in the conterminous United States to proceed safely to a destination with a GPS-independent approach within 100 nm. A transitional network of VORs to allow users time to equip with new avionics to transition to RNAV and RNP.An operational contingency, and not the robust network of current VORs.A backup capability for lower end GA IFR aircraft in the event of a widespread GPS outage.This level is called the Minimum Operational Network (MON). Core 30 being the larger airports served primarily by Air Carriers. Certainly no VOR check required in that case. In addition, if a test signal radiated by a repair station, as specified in paragraph (b) (1) of this section, is. ![]() 1b) If you believe that you still need the VOR check, consider an airplane with no VOR system at all, and no GPS for that matter, completely relying on NDB (silly today, but legal, I do believe again, §91.205 D 2). Here is the reg: 91.171 (d) Each person making the VOR operational check, as specified in paragraph (b) or (c) of this section, shall enter the date, place, bearing error, and sign the aircraft log or other record. Citing the increased costs of maintaining a network of 967 VORs, the agency proposed cutting the number to about 500 VORs located at what the FAA calls the Core 30 airports around the country. Something from the days where the military could switch off GPS, I think. “In 2012, the FAA released a proposed rule for a gradual reduction in the number of VORs in the National Airspace System. ![]()
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