Airbus designs are substantially fly by wire, although supposedly with an isolated control system. Boeing designs are isolated electro-hydraulic. There's a big

Airbus designs are substantially fly by wire, although supposedly with an isolated control system. Boeing designs are isolated electro-hydraulic. There's a big difference between isolating a single control link vs an entire control system comprising of, at least, a corpus database and all the supporting code that streams inputs and actuates outputs.