Old tech blamed for the ground stop that caused flight chaos: 'It got overloaded'

The nationwide ground stop that paralyzed the U.S. aviation system on Friday has ended, according to Federal Aviation Administration.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/2400x1600+0+0/resize/2400x1600!/quality/85/format/webp/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F49%2Ff3%2F09af1a7941738ef8a026d81c8662%2Fap26317855858444.jpg' alt='Flight are listed on a board inside a terminal at Seattle-Tacoma International Airport on Friday.'/><p>The nationwide ground stop that paralyzed the U.S. aviation system on Friday has ended, according to Federal Aviation Administration.</p><p>(Image credit: Lindsey Wasson)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-6040403' />