Extreme performance, light weight, skiff style, development dinghy class in the truest sense(see the rules for details).
| Length | 3.9m (max) |
| Hull | no minimum weight (typically 29-35kg painted), 1.4m minimum width |
| Construction | Unrestricted (typically ultra lightweight Carbon/Foam) |
| Rig | Unrestricted - typically two spreader pre-bent carbon spar |
| Working Sails | Area is restricted 13m2 - construction and rig plan are unrestricted - ie. wings, pocket luff, rotating masts are all acceptable |
| Kite | 20m circumference resulting in a 30-36m2 surface area |
| Crew | 2 (minimum) on trapeze |
Leander 2009 - R Class Nationals
