Air traffic controllers repeatedly rang the alarm about critical safety issues and faced telecommunications outages affecting Newark Liberty International Airport starting last summer – months before widespread delays and flight cancellations at the airport this week, a CNN review of safety reports, air traffic audio and other records found. #CNN #News

'They all have radio failure': Hear air traffic controllers in another Newark outage

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'They all have radio failure': Hear air traffic controllers in another Newark outage

'They all have radio failure': Hear air traffic controllers in another Newark outage