RedactedNarrative: Operator no. 2 on rented PWC (vessel no. 2) was cruising at an estimated speed of 20mph turned sharp to the left and struck in the right side of the rented PWC (vessel no. 1) operated by operator no. 1. Operator no. 2 was thrown overboard during the collision. Operator no, 2 was wearing a type III PFD at the time of the collision.