“This is your captain speaking. We forgot to reboot before we took off. So, yes, the plane will turn off, and we’ll be in freefall for about 12 seconds, but there’s nothing to fear. Oh wait, the co-pilot is telling me it’ll be a little bit longer. Assume the crash positions!”

OK, install the latest software updates and it’s fine, but wow, can you imagine anyone thinking… “Nah, we don’t need to update it!”

In layman’s English, this means that prior to 2017, at least some A350s flying passengers were suffering unexplained failures of potentially flight-critical digital systems.”