I didn't find the SIs for this regatta, but there is a new procedure being used at ISAF events: the U-flag start. Basically, the same as a black flag start, except the penalty goes away if the race is abandoned and resailed.

Their scorer needs help. They are scoring as one combined fleet of two groups, but updated the overall results after one group sailed, skewing the overall results. Sarah and John are in 22nd after the full set of race 3 results.

Mike