6613 and 6716 sailing towards leeward mark on starboard gybe. At the zone the boats were overlapped with 6716 inside. As 6613 gybed 1 length from the mark, 6716 made contact with the boom of 6613. There was subsequent hull to hull contact.
Both boats headed up and 6716 hit the mark. 7617 was not present at the hearing.
6613 was the outside overlapped boat at the leeward mark and was required to give mark room under RRS 18.2(b). 6613 did not give mark room to 6716. 6716 hit the mark breaking rule 31, but is exonerated under RRS 64.1(a).
GBR 136613 is DSQ in race 5