GPS interference can, and has disrupted airports. The incident last year in Dallas where there was 24 hours of significant GPS interference of unknown origin di

GPS interference can, and has disrupted airports. The incident last year in Dallas where there was 24 hours of significant GPS interference of unknown origin disrupted operations. And while GPS is not safety critical, the interference degraded the operation of many different systems that provide additional layers of safety. https://www.gpsworld.com/what-happened-to-gps-in-denver/ https://www.gpsworld.com/what-happened-to-gps-in-denver/ The advisory also said the Wide Area Augmentation System (WAAS) and Ground-Based Augmentation System (GBAS), both designed to make navigation with GPS more precise, as well as the ADS-B collision avoidance and traffic management system, would be unreliable. Pilots reported other systems affected such as transponders that help radar controllers keep track of aircraft, traffic alert and collision avoidance (TCAS) equipment, autopilots, electronic flight bags and terrain warning systems. https://www.bloomberg.com/news/articles/2022-10-18/faa-warns-airline-pilots-as-gps-signals-disrupted-around-dallas?leadSource=uverify%20wall&in_source=embedded-checkout-banner https://www.bloomberg.com/news/articles/2022-10-18/faa-warns... Flights into the Dallas area are being forced to take older, cumbersome routes and a runway at Dallas-Fort Worth International Airport was temporarily closed after aviation authorities said GPS signals there aren’t reliable. https://rntfnd.org/2022/10/18/faa-warns-airline-pilots-as-gps-signals-disrupted-around-dallas-bloomberg/ https://rntfnd.org/2022/10/18/faa-warns-airline-pilots-as-gp... Stanford researchers have determined that the interference event lasted 24 hours, though it took the air traffic system another 20 hours to reset and recover. From another incident: https://www.gpsworld.com/nasa-report-passenger-aircraft-nearly-crashes-due-gps-disruption/ https://www.gpsworld.com/nasa-report-passenger-aircraft-near... A report filed with NASA’s Aviation Safety Reporting System and published in June outlines how a passenger aircraft flew off course during a period of GPS jamming and nearly crashed into a mountain. Fortunately, an alert radar controller intervened, and the accident was averted.