The air traffic controllers directing planes into the Newark, New Jersey, airport lost their radar Friday morning for the second time in two weeks.

The air traffic control mishap early Friday morning added to disruptions in recent days that have intensified concerns about safety at one of the busiest U.S. airports.

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.After the primary connection that carries radar data into the Philadelphia facility where controllers guide planes into the busy hub failed,

Transportation Secretary Sean Duffy says a new software update prevented a third radar outage over the last two weeks at New Jersey's busy Newark airport when a telecommunications line failed again over the weekend.

The failure was the second such incident in the past two weeks, amid continuing concerns over safety at the airport.

Radar screens that monitor Newark Liberty International Airport in New Jersey went completely black for about 90 seconds early Friday morning, according to a new report from ABC News. The outage comes after an identical problem last week when air traffic control screens for the same airport went dark for about 60-90 seconds.

Transportation Secretary Sean Duffy plans to reduce the number of flights in and out of Newark Liberty International Airport for the "next several weeks."

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 ...