UK AIR TRAFFIC CONTROL MELTDOWN

Summary from the TLDR Web Dev newsletter

On August 28, 2023, NATS, the UK's air traffic control operator, suffered a major technical incident. The BBC reports that more than 2,000 flights were canceled and the cost has been estimated at over £100 million GBP. The incident probably affected hundreds of thousands of people. This article dives deep into what happened technically. The software that processes flight plans was not properly tested and had bugs and bad failure modes.