[mschuster91]

> How about the electronic hardware's not-exposed firmware, does that count? Did the subcontractor test it for three years at 10,000 feet for radiation-induced bit-flips? With or without lightning strikes?

Blast the module in a radiation chamber. It can be done, it's only extremely expensive - the military has the budget (makes sense, given that a fighter jet or a bomber should be able to power through a nuclear bomb fallout), but civilian airliners are all about cost efficiency.