The Australian | Flights grounded at Sydney Airport over system outage The Australian Travellers departing from Sydney Domestic Airport are experiencing long delays after an air traffic control outage grounded flights on the first day of the school holidays. The radar systems, which went down around 5am Monday, grounded all flights to ... Sydney domestic and international flights delayed due to air traffic control system fault Melbourne Express: Monday, September 25, 2017 Sydney Airport flights grounded by air traffic control outage |