Not to mention the different kinds of airplanes, different kinds of electronics, and all possible permutations of the above. Yes, this may seem like overkill t

Not to mention the different kinds of airplanes, different kinds of electronics, and all possible permutations of the above. Yes, this may seem like overkill to many software devs. Safety-critical systems require huge amounts of testing. It's much more than "release early and iterate."