RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL WHILE CRUISING ON PLANE AND TOWING A WATER SKIER 2 ON A WAKE BOARD. AS VESSEL 1 WAS TOWING THE SKIER 2 ON THE WAKE BOARD SKIER 2 LOST CONTROL OF THE WAKE BOARD AND FELL INTO THE WATER. THIS CAUSED SKIER 2 TO SUSTAIN INJURIES. NONE OF THE OCCUPANTS ON VESSEL 1 SUSTAINED ANY INJURIES. VESSEL 1 DID NOT SUSTAIN ANY DAMAGE.