RedactedNarrative: Operator #1 was operating a PWC along with his father (Oper #2). Operator #1 stated he was putting around on the PWC with Operator #2, then powered up to move across the pond.  Upon attempting to make a turn, Oper #1 did not notice Oper #2 approaching from behind him.  The PWC's struck one another, causing Operator #1 to be thrown from his PWC, with no apparent injuries. There was no medical attention needed for either operator. Operator #1's PWC did have damage.