The failure of a key pilot notification system operated by the Federal Aviation Administration (FAA) late Tuesday has disrupted air travel as the agency has ordered all airlines to ground planes in the United States, with the White House saying an investigation has been launched. There’s no indication at this time the outage was caused…

Operations in the United States are starting to resume after all flights across the country were grounded, the Federal Aviation Administration (FAA) said on Jan. 11. “Normal air traffic operations are resuming gradually across the U.S. following an overnight outage to the Notice to Air Missions system that provides safety info to flight crews,” the…