FADEC = complex

Thomas Borchert writes:

And the studies that prove that statement can be found where?

Innumerable automation projects have made this pretty obvious over the
past half-century or so. Today it is generally not considered
something that must be proved, at least by people who design these
systems.

And how would you explain away
the FAA-certified FBW aircraft that have been flying so succesfully and accident free
for decades?

You don't need certification to fly safely. Conversely, certification
is not a guarantee that your flight is safe.

The domain of fly-by-wire is still much more poorly understood than
more traditional systems ... so much so that certification and testing
are still much more trial and error than they are for older systems.
Thus, certification is far less useful for fly-by-wire systems; they
can still fail very catastrophically indeed.

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