Secretary of Transportation Sean Duffy blamed obsolete equipment for the outage.
FAA has lifted its third-ever nationwide ground stop

Original reporting
Ars Technica: read the full reportFollow this story
Earlier reports and follow-ups on the same developing story.
- · The VergeFAA lifts nationwide ground stop that blocked takeoffs for hours
- · The GuardianFlights slowly resume after US aviation agency lifts nationwide ground stop
- · DexertoStudent pilot panics after nationwide FAA ground stop hits during first solo cross-country flight
- · Al JazeeraUS blames system upgrade for longest nationwide FAA ground stop since 9/11
- · CNBCNationwide ground stop followed contractor upgrade to L3Harris telecommunication system: DOT’s Duffy
- · BBC NewsWhat we know about the ground stop and what to do if you're affected
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