The windward hull flew up into the air and hung, suspended, as the stern of the Swedish boat flashed beneath us.

FORBES: Ellison Bets On Pure Speed For Next America's Cup

Sudden puffs can cause stern steerers to rock up on a single forward skate, like a catamaran flying a hull, until the skipper can manage to wrestle the giant craft back down.

FORBES: Shiver Me Timbers