470 One Design
The 470 (Four-Seventy) is a double-handed monohull planing dinghy with a centreboard, Bermuda rig, and centre sheeting. Equipped with a spinnaker, trapeze and a large sail-area-to-weight ratio, it is designed to plane easily, and good teamwork necessary to sail it well. The name comes from the overall length of the boat in centimetres (i.e., the boat is 4.70 metres long).
The 470 is a popular class with both individuals and sailing schools, offering a good introduction to high-performance boats without being excessively difficult to handle, but it is not a boat designed for beginners. Its smaller sister, the 420, is a stepping stone to the 470.