Over the past two weeks, several equipment outages at the Philadelphia-based air traffic control center that guides planes to and from Newark Liberty International Airport, have raised questions on just how safe it is to fly at one of the nation’s busiest airports.

Staff shortages and equipment failures at Newark Liberty International Airport have raised safety concerns in recent weeks.

A failed backup telecommunications line led to a 90-second radar and radio outage last month that left air traffic controllers unable to see jetliners heading into Newark airport.

A third air traffic control outage in just weeks at Newark Airport is raising concerns about aging infrastructure at major aviation hubs nationwide.

Several times over the last year, Newark controllers lost radar or radio service, leaving them unable to talk with planes they were tracking.

Federal Aviation Administration officials appeared in front of lawmakers on Wednesday as the agency tries to undertake a significant modernization project.

Newark airport's been plagued with issues that have travelers like me concerned about safety. It's not dangerous, but delays are a bigger concern.

From Washington to Newark, recent aviation mishaps are prompting Congress to scrutinize safety protocols, revealing a pattern of miscommunication, unauthorized flights, and technical failures. Senior Federal Aviation Administration officials on Wednesday testified before the Senate Commerce Committee about systemic vulnerabilities in air traffic control,