Originally Posted by
Devil 49
A twin-engine aircraft has twice the likelihood of an engine failure, perhaps more depending on specifics of installation. The remaining power producing engine is not always enough to continue flight. Even when continued OEI flight is possible, often the best outcome possible requires sacrificing the airframe to maximize survival. IE- you're in a mountain valley, one engine fails but you can continue flight with remaining engine with insufficient power to crest the ridges and insufficient fuel to fly around the mountains.