Live updates: FAA lifts ground stop as U.S. airports grapple with thousands of canceled flights

Homeland Security Secretary Markwayne Mullin said there was “no indication ” that anything “nefarious” was behind the ground stop, but blamed a telecommunications outage.

Duffy says he wants $50 billion to improve the nation’s air traffic control system.

“Let’s not do a patchwork fix to a system that’s critical for every single family,” Duffy said during tonight's White House briefing.

He said President Trump has asked Congress for $30 billion.

“I want $50 billion,” Duffy said.

Congress last year approved $12.5 billion over five years to upgrade air traffic control, Reuters reported. The request is for an additional $30 billion.

Duffy pointed to previous air traffic control problems, including outages in Newark that disrupted flights.

“This is a continual problem that we have, and it should be fixed,” Duffy said.

Transportation Secretary Duffy said tonight that switches in the air traffic control system became overloaded with data.

“What we have is an incredibly old air traffic control system,” Duffy said at a briefing at the White House.

“We have TDM telecoms, so this is analog telecom,” Duffy said.”Our switches, our routers, actually got overloaded with data.”

He said the routers “started to give us inconsistency in the data.”

Duffy said…

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