Newark Liberty controller Jonathan Stewart publicly shared his safety concerns following a near mid-air collision. A recent blackout caused by a burned w

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.

Radar and telecommunications systems for Newark Airport’s air traffic controllers failed Friday morning — the second time the two critical systems went down at the same time in less than two