RedactedNarrative: V-1 WAS TRAVELING NORTHBOUND ON THE COLORADO RIVER CONTRARY TO NAVIGATION.  V-2 WAS TOWING SKIERS MADE A U-TURN AND THE SKIERS TRACKED OUTSIDE THE WAKE OF V-2 INTO THE PATH OF V-1.  O-1 JUMPED FROM V-1 AND THE SKIERS STRUCK V-1 AS IT WAS UNATTENDED.