Greater than 500 flight delays had been reported Sunday morning following the outage.
Flights all through america may expertise “residual delays” Sunday morning whereas the Federal Aviation Administration (FAA) works to revive a important warning system that confronted an outage the evening earlier than, Secretary of Transportation Sean Duffy mentioned on Feb. 1.
“The [FAA] is working to totally restore the system, and there could also be some residual delays tomorrow morning,” he mentioned. “We’re investigating the basis trigger, and we’ll present updates.”
The alerts additionally notify pilots about potential unhealthy climate on routes, runway and taxiway adjustments at airports, and closed airspace that should be averted. The notices had been established in 1947, impressed by a system used to warn ship captains of sea hazards. Within the years since, the previously paper-based system has advanced right into a digital warning system.
Whereas separate from the air site visitors management methods that preserve planes at protected distances from each other, NOTAM is one other important software for air security.
A earlier outage of the system in January 2023 briefly halted all flights in america. The outage led to an enormous air site visitors jam following greater than 1,300 flight cancellations and roughly 9,000 flight delays. The FAA mentioned within the early levels of the outage that it believed a broken database file led to the issue.
After an Air Canada jet nearly landed on 4 different planes ready to take off from San Francisco Worldwide Airport in 2017, the Nationwide Transportation Security Board, which investigates aviation accidents, criticized the way in which the alerts are offered.
The Related Press contributed to this report.