đź’¨ Abstract

A week-long air traffic controller communication failure at Philadelphia's air traffic control facility led to long delays and cancellations at Newark Liberty International Airport, resulting in widespread delays across the US. The outage occurred on April 28, leaving controllers unable to see, hear, or talk to planes under their control. The issue was caused by the primary communication line going down and the backup line failing to kick-in.

Courtesy: wtop.com

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