First raced for in 1940 and NEISA’s most important event, it qualifies NEISA entrants to the National Dinghy Championship (Morss Trophy). Racing is conducted in accordance with the ICSA “Conditions” for the Nationals. The site and type of boat are rotated, and selection is made at the Schedule Meeting. Only Regular Member schools are eligible. 16 teams are selected to this event by a performance ranking. The remaining two teams are determined from the top two finishes in the NEISA Dinghy Tournament. The number of teams qualifying for the Nationals is determined annually in March by an ICSA formula.