Aviation's Fly-by-Wire Transition (1972-1990s)
Aircraft manufacturers replaced mechanical flight controls with digital systems despite catastrophic failure risks. NASA flew the first digitally-controlled aircraft in 1972 with only analog backup. Airbus pioneered commercial fly-by-wire on the A320 in 1987, facing intense skepticism about software bugs causing crashes. Early incidents fueled concerns, but rigorous certification standards (DO-178B), extensive testing, and redundant architectures proved digital systems could exceed analog reliability.
Airlines resisted adoption for a decade, fearing software failures. Certification costs soared as regulators demanded mathematical proof of safety.
Fly-by-wire became industry standard, enabling fuel efficiency impossible with mechanical controls. Modern aircraft are unflyable without digital systems.
Nuclear faces identical tension: digital offers huge operational advantages but introduces software and cyber vulnerabilities analog systems never had. Aviation's lesson is that rigorous certification and redundancy can overcome the risk—but it takes decades and multiple validations before the industry trusts the transition.