U.S. flights were delayed and airports asked passengers to check with their airlines for updates on Wednesday as the U.S. Aviation Authority (FAA) scrambled to fix a system outage. 'information.
The organization said it was mobilized to restore a system that warns pilots of hazards and changes to airport facilities and procedures and which had stopped processing updated information.
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The FAA also said it had ordered airlines to suspend all domestic departures until 9 a.m. (2 p.m. GMT) to allow the agency to validate the integrity of flight and safety information. .
More than 760 domestic flights were delayed as of 6:30 a.m. Wednesday (11:30 a.m. GMT), flight tracking site FlightAware said, without giving reasons.
More than 90 other domestic flights, to or from the country have also been canceled.
U.S. airline stocks fell in Wednesday's pre-market session.
Southwest Airlines lost 2.4%, while Delta Air Lines Inc, United Airlines and American Airlines lost around 1%.
21,464 flights scheduled to depart from US airports on Wednesday
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The FAA is still working to fully restore the Air Mission Notification System (NOTAM) following an outage.
Although some functions are beginning to be restored, National Airspace System operations remain limited
,” the FAA said on Twitter.
A NOTAM is a notice containing information essential to personnel involved in flight operations, but which is not known far enough in advance to be disseminated by other means.
Information can be up to 200 pages for long-haul international flights and can include things like runway closures, bird hazard warnings and construction obstructions.
United Airlines said it has temporarily delayed all domestic flights and will issue an update when it learns more about the FAA.
German carriers Lufthansa and Air France both said they were continuing flights to and from the United States, while the French carrier said it was monitoring developments.
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Arriving and departing passengers can expect delays this morning and throughout the day
,” Austin-Bergstrom International Airport said on Twitter, adding that there were delays.
on the ground across the country.
A ground stop is an air traffic control measure that slows down or stops aircraft at a given airport.
In an earlier notice on its website, the FAA said its NOTAM system was "failing," although NOTAMs issued before the outage are still viewable.
According to Cirium data, 21,464 flights are scheduled to depart from US airports on Wednesday, for a capacity of nearly 2.9 million passengers.
American Airlines has the most departures from US airports with 4,819 scheduled flights, followed by Delta Air Lines and Southwest Airlines, according to data from Cirium.