I don't understand how these
"honeycomb core and fibreglass composite skin" structures can really be considered so advanced and
untested 
...they've been used in boat building for donkey's years now and not a single yacht I know of has ever fallen out of the sky yet!
Uhmmm well, there have been a few embarassing occasions when an America's cup boat or two might have lost its keel and everyone became inverted I suppose.
