> Also, a failure scenario would mean tonnes of windmill crashing down from high altitude. Hmmmm 10000 feet is less than 2 miles. Even in high winds it wouldn'

> Also, a failure scenario would mean tonnes of windmill crashing down from high altitude. Hmmmm 10000 feet is less than 2 miles. Even in high winds it wouldn't get more than a a couple or miles or so before hitting the ground. There are plenty of places in the US where you could fly where it would be centered over a 6 mile diameter circle that contains no people or valuable buildings except for people and buildings that are part of the power facility.