far as was practical and that in the spirit of the America's Cup, a new design challenge was needed. Alinghi eventually promulgated a new design, called the AC 90. Plans to introduce this class were superseded by Alinghi's loss to BMW Oracle in the 2010 America's Cup and the subsequent creation of the AC72 class of catamarans. The last IACC yacht completed was hull number 100, the 2007 defender; the last regatta to see IACC boats racing was the Louis Vuitton Trophy in Dubai November 2010. See also Maxi yacht List of International America's Cup Class Yachts Louis Vuitton Cup References