I've worked in a closely related field. The fly-by-wire software is comparatively very small, compared to all software in a modern fighter jet like the F35. Jus

I've worked in a closely related field. The fly-by-wire software is comparatively very small, compared to all software in a modern fighter jet like the F35. Just from the top of my head, you've got, Flight controls, Radar, Comms, NAV, Ident, Electronic warfare, Sensor fusion, Weapons management, mission recording, cockpit avionics, helmet mgmet, etc.