US blames the company installing fiber optic cable for the largest airspace shutdown since 9/11

TechnologyInternationalEl MundoNov 14, 2026, 11:43 AMAI summary

The US government pointed to L3 Harris, the firm in charge of replacing copper wiring with fiber optic cable at a remote facility, as the source of the failure that shut down the country's airspace for nearly five hours. Transportation Secretary Sean Duffy said investigators are looking into whether it was "incompetence" or a defective router. More than 8,000 flights were canceled and nearly two million passengers affected. Technicians rule out a cyberattack.

In 40 seconds

Transportation Secretary Sean Duffy attributed the incident to L3 Harris work replacing copper wiring with fiber optic cable at a remote facility.
Duffy said investigators are looking into whether it was "a matter of incompetence or whether they installed a defective router."
The airspace shutdown lasted nearly five hours and left more than 8,000 flights canceled and nearly two million passengers affected.

Read the full story at El Mundo

IASummary generated by artificial intelligence from a story by El Mundo. It may contain errors: the original source prevails.

aviación
infraestructura
fibra óptica
FAA
L3 Harris

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US blames the company installing fiber optic cable for the largest airspace shutdown since 9/11

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