the 470 has a Portsmouth number of 973. In the US Sailing-administered scheme, it has a D-PN of 86.3. Construction The 470 is a strict one-design class, and its builder must be approved a Licensed Builder by World Sailing. The class design may evolve, but its intent is to use proven, economical, and environmentally sound materials, currently fibreglass with integral buoyancy tanks for the hull. The 470 dinghy is long with a mast. Its weight without sails is . Events Olympics At the Olympic Games, the 470 Class was initially an open class, but since the 1988 games there have been separate events for men and women. Since 2008 each consists of a 10-race series, with teams being awarded points on a point-per-place system, and each team's worst result being discarded. The top 10 boats qualify for the medal race, in which double points are awarded.. At the 2024 Olympics, the 470 will be sailed by a mixed crew only. Men Women 470 World Championships Open Men and Mixed Men Women 470 World Junior Championships Men Women See also ISAF Sailing World Championships International Sailing Federation References External links Official class website International Sailing Federations 470 Microsite Dinghies 1960s sailboat type designs Sailboat type designs by French designers