What went wrong with the UK's air traffic control system?

bbc.com/news/articles/clyv75g60ejo

Why did the air traffic control outage cause so much havoc?
A radar problem used within the UK's air traffic control system caused chaos at airports in the UK and beyond on Wednesday.
The fault lasted a mere 20 minutes, but was enough to ground planes across the country, causing 150…

This story appeared on bbc.com, 2025-07-31 13:58:18.565000.
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