The Open 50 is a type of

monohull right A monohull is a type of boat having only one hull, unlike multihulled boats which can have two or more individual hulls connected to one another. Fundamental concept Among the earliest hulls were simple logs, but these were generally unstab ...

sailing yacht and former ISAF international class. It is also known as the

IMOCA IMOCA or iMOCA may refer to: * Indianapolis Museum of Contemporary Art * International Monohull Open Classes Association, International Monohull Open Class Association * IMOCA 50, a former 50ft racing yacht class * IMOCA 60, an active 60ft racing y ...

50, due to its origin in the International Monohull Open Classes Association.sailing.org: "FORMER ISAF CLASSES"
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References

{{Classes of the International Sailing Federation Classes of World Sailing Keelboats Box rule sailing classes International Monohull Open Classes Association

See also

References