The OGR fleet is divided into the Adventure Class (47ft-56ft), Sayula Class (56.1ft- 66ft) and Flyer Class, which is for yachts previously entered in the 1973, 1977, or 1981 Whitbread Round the World Race, or of ‘relevant’ historic significance and ‘approved’ production-built, ocean-certified, sail-training yachts generally 55ft to 68ft LOA.