RedactedNarrative: OPERATOR 1 WAS OUT OF FUEL AND WAS DRIFTING WITH THE CURRENT.  WHILE DRIFTING DOWNSTREAM, THE OPERATOR FAILED TO AVOID A FIXED OBJECT IN THE WATERWAY (LOG). WHEN VESSEL 1 STRUCK THE FIXED OBJECT (LOG) IT CAUSED VESSEL 1 TO CAPSIZE. ALL OCCUPANTS ABOARD VESSEL 1 WERE ABLE TO SWIM SAFELY TO SHORE. THERE WERE NO INJURIES AND VESSEL 1 SUNK DUE TO IMPACT.