EntityQ225126· pop 6· linked from 155 articlesFlying 15Sign in to saveinternational racing sailing classConnectionsOne-Design sailboatEntityUnited KingdomCountryInternational Standard Book NumberEntitysailorEntityrudderEntitykeelEntityX-15EntitysailingEntitysloopEntitydraftEntitydisplacementEntityfiberglassEntitysailing at the Summer OlympicsEntitysailboatEntityOptimistEntityWorld SailingEntityspinnakerEntity49erEntitymainsailEntity470EntityCategories1940s sailboat type designsKeelboatsOne-design sailing classesSailboat type designs by Uffa FoxSailboat types built by Chippendale BoatsSailboat types built by Copland BoatsSailboat types built by Fairey MarineSailboat types built by Halmatic Ltd.Sailboat types built by Ovington BoatsSailboat types built by Rob Legg YachtsSailboat types built by Stebbings & Sons