RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE TOWING A WATER SKIER. AS OPERATOR 1 WAS TOWING THE WATER SKIER, AS THE SKIER WAS ATTEMPTING TO GET UP ON ONE SKI THE SKIER LOST THEIR BALANCE CAUSING THEM TO TWIST AROUND. AS THE WATER SKIER LOST THEIR BALANCE AND IMPACTED THE WATER THEY SUSTAINED INJURIES. THERE WAS NO OTHER INJURIES FROM THE OCCUPANTS ON VESSEL 1 AND THERE WAS NO DAMAGE TO VESSEL 1.