On Sunday, December 20, 2009, about 1744 Pacific standard time,1 the 33-foot-long Coast Guard vessel CG 33118, designated by the Coast Guard as a "special purpose craft - law enforcement" or SPC-LE, with five crewmembers on board, collided with a 24-foot-long Sea Ray recreational vessel with state registration number CF 2607 PZ, carrying 13 people, on San Diego Bay, California. The collision occurred during the city's annual holiday boat parade, the Parade of Lights. The Sea Ray was headed west near the main shipping channel2 to enable the occupants to watch the boat parade. The CG 33118, on patrol in the bay, was also headed west, its crew responding to a reported grounding. The CG 33118 struck and overran the Sea Ray's stern near the west end of Harbor Island. As a result of the collision, an 8-year-old boy on board the Sea Ray was fatally injured and four other people on board sustained serious injuries. No CG 33118 crewmembers were injured in the accident.