RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE COMPLETING A DOCKING MANEUVER. AS VESSEL 1 WAS STILL MOVING PASSENGER #2 ATTEMPTED TO DEPART THE VESSEL AND SLIPPED ON THE DOCK. THIS CAUSED PASSENGER #2 TO SUSTAINED INJURIES FROM THE IMPACT WITH THE DOCK. OPERATOR 1 DID NOT SUSTAIN ANY INJURIES AND VESSEL 1 DID NOT SUSTAIN ANY DAMAGE.  Both the operator and passenger were noted as using alcohol.  The operator was arrested for boating under the influence.