Probably things like life support device firmwares, or like Boeing's recent software issue that may have been related to the deaths of those on the 737 max. Any

Probably things like life support device firmwares, or like Boeing's recent software issue that may have been related to the deaths of those on the 737 max. Any software that has to do with life and death needs a certain high level of perfection to avoid calamity. That's just what I was thinking off the top of my head..