EntityQ594817· pop 16· linked from 250 articlesYnglingSign in to saveinternational racing sailing classConnectionsNorwayCountryaluminiumEntityInternational Standard Book NumberEntityNorwegiansEntityrudderEntitykeelEntitysailingEntityX-15EntitysloopEntitydraftEntitydisplacementEntityfiberglassEntitysailing at the 2012 Summer OlympicsEntitysailing at the Summer OlympicsEntitysailboatEntityOptimistEntitysailing at the 2008 Summer OlympicsEntityWorld SailingEntity49erEntityspinnakerEntityCategories1960s sailboat type designs20-foot keelboatsClasses of World SailingOlympic sailing classesSailboats defined by classSailboat type designs by Jan Herman LingeSailboat types built by Abbott BoatsSailboat types built by Børresen BådebyggeriSailboat types built by JibetechSailboat types built by Mader BootswerftSailboat types built by O'Day Corp.