The slender, 33-foot foiling trimaran, with sponsons on both sides and a small, protected cockpit for the pilot and a co-pilot, performs more like a kiteboard than a traditional sailing yacht.

This video shows what it’s like to approach the mythical 54-knot (62.1 mph, 100 kmh) speed barrier, considered the supersonic barrier on the water, on an unpowered sailboat. At that speed ... The ...