The following modifications are made to SI's 4 Warning - No warning signals earlier than 1500 both Saturday and Sunday. 7 Check-in - May part RC on Starboard and hail RC is added. Single hand will show PFD at check-in. 10 Course and Marks - Multihull will have a long (approx. 2 nm) course and mono-hull class will have a short (approx. 1 nm) course, 11 Finish - Side opposite from start line, between RC on Starboard and pin on Port. 14.3 Single hand - Code Y "May" be used. Participants are required to show PFD at check-in. 17.2 Schedule - No warning signal before 1500 both Saturday and Sunday.