Should Newark Airport close until air traffic control upgrades are made? Experts and officials debate safety and the economic impact.

Communication problems, including a brief radar outage at the air traffic control facility Friday and an outage last month, have left travelers wondering how safe it is to fly into Newark.

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.