U.S. Air Traffic Control Communications Failure Leads to Nearly 6,000 Flight Cancellations
A U.S. air traffic control communications failure on November 13 halted departures nationwide for about four hours and led to nearly 6,000 flight cancellations. Although air traffic control facilities have been restored, flight operations will take time to return to normal. The incident exposed weaknesses in aging equipment and backup networks, as well as planning challenges in the modernization program.

