India, Nov. 14 -- The Federal Aviation Administration ordered an immediate, nationwide ground stop across all United States airports, halting all departing commercial and private flights following severe communication disruptions affecting Air Route Traffic Control Centers.

The sweeping aviation directive was issued abruptly on Friday afternoon after technical monitoring systems detected widespread communication failures between regional control centers and airport terminals. US Secretary of Transportation Sean Duffy confirmed the emergency measures via public communications channels, noting that technical personnel were urgently investigating the root cause of the rolling frequency outages.

The FAA's official Air Traffic Control System...