I think the question should be asked of those who plan to explore the limits of legailty how they would deal with an engine failure.
Take the Pennines example of being able to see (but not reach) a distant peak, with maybe a 500ft (or less) cloudbase in the surrounds of it, the terrain avilable to land in being undulating etc?
Is it a question of Dirty Harry and 'Do you feel lucky punk?"