Politics1 min read

US lifts flight ground stop after over 4-hr outage

By · Published by Everything Blog

In short

The Federal Aviation Administration allowed the airborne fleet of over 3,500 planes to land safely while barring new departures, though exemptions remained in place for medical evacuations, critical cargo, and law enforcement. At least 600 flights were diverted to major hubs including Denver, Chicago, and Dallas-Fort Worth during the multi-hour disruption. Transportation officials completely ruled out a cyberattack as the root cause of the system failure. Modernizing the national air traffic network will require an additional $30 billion beyond the $12.5 billion approved by Congress last year.

Key points

  • Homeland Security and transportation officials confirmed that a cyberattack was not respo…: Homeland Security and transportation officials confirmed that a cyberattack was not responsible for the outage.
  • Critical operations including medical evacuations, law enforcement, and urgent cargo flig…: Critical operations including medical evacuations, law enforcement, and urgent cargo flights were permitted to continue flying.
  • Finishing the national air traffic control modernization effort will require approximatel…: Finishing the national air traffic control modernization effort will require approximately $30 billion in additional funding.

Sources checked by our analysis pipeline: 1

The Federal Aviation Administration (FAA) lifted its nationwide flight ground stop after an air traffic control communication outage disrupted operations across the United States, with officials ruling out a cyberattack and saying the public was never in danger.

US Homeland Security Secretary Markwayne Mullin said there was no connection between the incident and Microsoft and confirmed that investigators had found no evidence of a cyberattack.

“There is no cyberattack,” Mullin said, adding that officials were still working through the process of understanding what happened.

US Transportation Secretary Sean Duffy said the disruption began at 3:36 pm when radar and communication systems at air traffic control centres and terminal radar approach control (TRACON) facilities across the country became unstable.

“At [3:36] p.m., we experienced instability in our radar and our communications in our centres and our TRACONs across the country,” Duffy said.

He said the instability caused inconsistencies in radar data and communication with aircraft, prompting officials to issue a ground stop as a safety precaution.

“We had over 3,500 aeroplanes in the air. They all engaged, and last time I…

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