Sometimes it’s just a choice between bad and worse
If we accept that different types of uncertainty create different types of risk then it follows that we may in fact be able to trade one type of risk for another, and in certain circumstances this may be a preferable option.
So far as we know flight AF 447 fell out of the sky with its systems performing as their designers had specified, if not how they expected, right up-to the point that it impacted the surface of the ocean.
So how is it possible that incorrect air data could simultaneously cause upsets in aircraft functions as disparate as engine thrust management, flight law protection and traffic avoidance?
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With a Bachelor’s of Engineering and a Master’s of Systems Engineering, Matthew professionally consults on system safety and risk. He also teaches and writes on these subjects.
Critical Uncertainties 