Cathay Pacific CX257 (A350) loses contact with ATC en route Hong Kong–London; NATO/Hungarian fighters intercept over Romania/Hun
Cathay Pacific’s A350 operating CX257 reported a temporary loss of communications with air traffic control while flying over Romania and Hungary during the Hong Kong–London Heathrow sector. NATO fighter jets were deployed to intercept the aircraft, and Hong Kong’s aviation regulator ordered an investigation following the event and regulator concerns.