RedactedNarrative: V1 WAS HEADED DOWN STREAM AND V2 WAS HEADED UP STREAM. BOTH VESSELS WERE ON A HEAD-ON COURSE TO HIT. V1 STEERED LEFT AND V2 STEERED RIGHT, V1 CHANGED COURSE AND STEERED RIGHT, BUT V2 STRUCK V1 AND WENT OVER TOP OF V1 STRIKING THE MOTOR. THIS CAUSED THE DAMAGE TO BOTH VESSELS.