Boeing considers giant ocean skimmer plane

A concept for a colossal cargo aircraft designed to skim a few metres above the surface of the ocean has been revealed by researchers at the aerospace company Boeing. The concept aeroplane, called the Pelican Ultra Large Transport Aircraft (ULTRA), would exploit an aerodynamic phenomenon known as the wing-in-ground effect to glide just six metres above the waves — no doubt scaring the hell out of the odd ocean-going vessel