FAA ground stop: Here’s why sources say it happened, according to reports

Sources say that Friday’s nationwide ground stop, which resulted in massive delays for thousands of flights and nearly all domestic travelers, was caused by a communication system reboot, CBS News reports.

According to multiple sources with knowledge of the incident, an update to a private communications network used by air traffic controllers forced the system to reboot and impede communications at the nation’s 22 regional air traffic control centers, CBS News reported.

The Federal Aviation Administration (FAA) has not yet provided details on the cause and the ground stop remains in place as of publishing.

As recently as 6 p.m. ET, insiders reported the FAA was still investigating the circumstances behind the communication blackout.

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