NATS publishes preliminary report on technical incident of 8 September
Summary
NATS published a preliminary investigation report into a software defect in the National Airspace System that caused widespread disruption to UK flights on 8 September. The defect paused an aircraft code allocation, leading to a backlog and about six hours of airspace restrictions, with a full report to follow. The CEO apologized and noted ongoing mitigation and testing for a permanent fix, emphasizing safety as the top priority.