FTI network failure triggers nationwide US flight ground stop
A software update reportedly caused the FAA's Telecommunications Infrastructure network, operated by L3Harris, to crash on Friday, forcing a nationwide halt to all US departures for over four hours. More than 4,700 flights were canceled and about 10,000 delayed, according to Flightradar24 data cited by Reuters, making it only the third full ground stop in US history after 9/11 and the 2023 NOTAM outage.
GoKawiil's interpretation of the reporting above, not reported fact.
Transportation Secretary Sean Duffy said routers became overloaded with data and produced inconsistent readings, which officials suggest explains why the FAA grounded flights nationally rather than isolating the problem to a few control centers. Homeland Security Secretary Markwayne Mullin pointed to new security patches on the aging system as a possible cause of the overload, underscoring how fragile upgrades to legacy infrastructure can ripple across the entire air traffic network. Officials have ruled out a cyberattack, which may ease immediate security concerns but still raises questions about the resilience of FAA systems.
- FAA's FTI network, run by L3Harris, crashed after a software update, grounding all US departures for more than four hours.
- Over 4,700 flights were canceled and roughly 10,000 delayed, per Flightradar24 data cited by Reuters.
- Officials say overloaded routers produced inconsistent data readings rather than a loss of communications or radar, and have ruled out a cyberattack.
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Published there as: “A network crash grounded every flight in the US, only the third time in history”
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