See the NSW thread
Foil Wing and Fin Racing at Georges River Sailing Club on Botany Bay, Sydney | Windsurfing Forums, page 1 (seabreeze.com.au)
www.seabreeze.com.au/forums/Windsurfing/New-South-Wales/Foil-Wing-and-Fin-Racing-at-Georges-River-Sailing-Club-on-Botany-Bay--Sydney