RedactedNarrative: vessel 1 and vessel 2 were cruising together on the river one slightly in front of and to the right of the other.  Vessel 2 turned in front of vessel 1 in which vessel 1 struck 2.  Operator of vessel 2 was hit, and ejected from jet ski. He suffered a compound fracture to his leg and required emergency medial care.  He underwent surgery to repair his damaged leg.