Sports Boat is a sub-division of the Class A and may be declared by the OA when in his opinion it fits the venue and participants. Being in the class shall be if either the 100% Sail Area/displacement or Downwind Sail/Area/ displacement as shown on the PHRF certificate exceeds the selected one of the below criteria:
1. Upwind 100% Sail Area/displacement exceeds 32 or downwind exceeds 110
2. Upwind 100% Sail Area/displacement exceeds 30 or downwind exceeds 100
3. Upwind 100% Sail Area/displacement exceeds 28 or downwind exceeds 80