“They don’t know what’s causing it, they hope to have a better understanding of it in a few hours and respond at that time,” Biden said.
“Directed a post-action process to determine root cause and recommend next steps,” Transportation Secretary Pete Buttigieg said on Twitter.
Senator Maria Cantwell, the Democratic chair of the Senate Commerce Committee, is also planning a follow-up.
“The number one priority is safety,” Cantwell said. “As the committee prepares for FAA reauthorization legislation, we will look at what caused this outage and how redundancy plays a role in preventing future outages. The public needs a resilient air transportation system. “