but if you are flying an airliner with an engine out, you have more then enough to think about without the complications of the odd light aircraft whizzing past the window.
Ah yes engines do fail but while single engine one would be unlikely to go very far unless a return is not possible due wx, guess there would not be many light aircraft around then. I would asume most pilots of twins would rather land ASAP than go flying around any longer than absolutely necessary. Many airlines design an engine out profile (e.g. ahead to x feet then direct to y to hold) and this could be contained in CAS. This would just be one event that needs to be factored in to the final design.
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