The International Monohull Open Classes Association (IMOCA) is an international assocation within the sport of sailing which administers the monohull Open 50 and Open 60 classes of sailboats. The association is responsible for defining and updating the class rules for Open-class boats, and has the additional aims of co-ordinating events involving Open boats, and promoting their use. Wooden sailing boat Sailing is the skillful art of controlling the motion of a sailing ship or smaller boat, across a body of water using wind as the source of power. ... A Monohull is a type of boat having only one hull. ... A sailboat is a relatively small wind-driven vessel used primarily for sports and personal purposes. ...

The Open 50 and Open 60 monohulls are high-performance racing boats, designed principally for single-handed competition. Several high-profile yacht races are based around these boats, such as the VELUX 5 Oceans Race and the Vendée Globe. Inshore yacht racing on Sydney Harbour, Australia Yacht racing is the sport of competitive sailing. ... The Vendée Globe is a single-handed non-stop round the world yacht race. ...

Classes

The Open 50 and Open 60 classes are the main focus of IMOCA. As the names imply, these classes are "open", meaning that they do not represent fixed boat designs; instead, they are defined by a "box rule" which permits any design, as long as it meets certain restrictions. The restrictions limit the lengths of the boats to 50 or 60 feet (15.24 m or 18.29 m), and places certain safety requirements on the boats such as minimum stability requirements. These classes are recognised by the International Sailing Federation. This article needs to be cleaned up to conform to a higher standard of quality. ... M is the thirteenth letter of the latin alphabet. ... The International Sailing Federation is the world governing body for the sport of sailing, particularly yacht and dinghy racing. ...

Open 50 and 60 boats are typically light and high-powered, with large sail-plans. Typically consisting of large carbon-fibre shells, there are few concessions to comfort. A sail-plan is a formal set of drawings, usually prepared by a marine architect. ...

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