More modern systems are also down once in a while. With aviation it's just more visible because one system can affect a lot of people.
I'm not sure when ATC systems (which I would count NOTAM to be one of) have last failed, I always had the feeling they're very stable. It's usually airlines that struggle with their applications.
I never know how well it applies but headline outages always make me think of that “The Coming Software Apocalypse” Atlantic article from a few years back[0]
I'm not sure when ATC systems (which I would count NOTAM to be one of) have last failed, I always had the feeling they're very stable. It's usually airlines that struggle with their applications.