The Surprising Router Glitch in Arkansas Behind Nationwide Flight Chaos

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A single malfunctioning FAA router in rural Arkansas appears to have caused the air travel chaos that grounded all flights across the US Friday, according to a new report.

The problem originated at an FAA radio site in El Dorado, Arkansas, where a newly installed router flooded the network with excessive data traffic, disrupting communications between pilots and air traffic controllers, the Wall Street Journal reported.