12/22/2023 0 Comments Faa atc delayPacific time on Tuesday, preventing new or amended notices from being distributed to pilots. “So something unusual happened.”Īccording to FAA advisories, the NOTAM system failed at 5:28 p.m. I’ve never heard the system go down like this,” Cox said. John Cox, a former airline pilot and aviation safety expert, said there has been talk in the aviation industry for years about trying to modernize the NOTAM system, but he did not know the age of the servers that the FAA uses. “So much of their systems are old mainframe systems that are generally reliable but they are out of date,” he said. “Periodically there have been local issues here or there, but this is pretty significant historically,” said Tim Campbell, a former senior vice president of air operations at American Airlines and now a consultant in Minneapolis.Ĭampbell said there has long been concern about the FAA’s technology, and not just the NOTAM system. The FAA took the rare step of preventing any planes from taking off for a time, and the cascading chaos led to more than 1,300 flight cancellations and 9,000 delays by late afternoon, according to flight-tracking website FlightAware. The NOTAM system broke down late Tuesday and was not fixed until 6 a.m. The system was once telephone-based, with pilots calling dedicated flight service stations for the information, but has moved online. The breakdown showed how much American air travel depends on an antiquated computer system that generates alerts called NOTAMs - or Notice to Air Missions.īefore a flight takes off, pilots and airline dispatchers must review the notices, which include information about weather, runway closures or construction and other information that could affect the flight. The Federal Aviation Administration said preliminary indications “traced the outage to a damaged database file.” The agency said it would take steps to avoid another similar disruption. were canceled or delayed Wednesday after a system that offers safety information to pilots failed, and the government launched an investigation into the breakdown, which grounded some planes for hours.
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