A severed cable and a second British outage in a fortnight expose how old the air traffic system has become
Britain went first. On Monday a new technical failure struck the UK's air traffic control system days after an earlier one, cancelling and delaying flights and drawing public criticism from airlines and the prime minister, with the question shifting from whether these were isolated faults to whether the system itself is at fault. On Tuesday the United States had two failures at once: construction workers cut a cable, and a separate technical problem at a key air traffic centre snarled thousands of flights across the Northeast. The FAA restored service and said the replacement system it is building would not suffer such disruptions. By Wednesday a Reuters investigation had set out why it keeps happening — aging computers, severed cables, upgrade programmes that have been stalled for years — and a senator described communications between American aircraft and the FAA as 'incredibly insecure'. Nothing failed catastrophically this week. What failed was the assumption that infrastructure this old can absorb ordinary accidents.