Wikipedia
Hydroptère is an experimental sailing hydrofoil trimaran designed by French yachtsman Alain Thébault. Its multihull hydrofoil design allows the sail-powered vessel to reach high speeds on water. The design is based on experience from a range of hydrofoil sailcraft that Thébault built in cooperation with the late Éric Tabarly since the 1990s. On 5 October 2008 she reached a record speed of , however this was over a shorter distance than the 500m necessary to qualify for an official world record. On 21 December 2008, the Hydroptère briefly reached near Fos-sur-Mer, but capsized and turtled shortly thereafter.
On 4 September 2009, the Hydroptère broke the outright world record, sustaining a speed of for in of wind. In November 2009, she broke the barrier for a nautical mile with a speed of in Hyères, France.