RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE CRUISING ON PLANE. AS OPERATOR 1 WAS TRAVELING UPSTREAM THE OPERATOR FAILED TO SEE A FIXED OBJECT (SUBMERGED ROCK) IN THE WATERWAY UNTIL IT WAS TOO LATE. OPERATOR 1 TRIED TO TAKE AN EVASIVE MANEUVER TO AVOID THE FIXED OBJECT (SUBMERGED ROCK), BUT WAS UNSUCCESSFUL AND COLLIDED WITH THE FIXED OBJECT. THERE WAS NO INJURIES TO ANY OF THE OCCUPANTS ON BOARD VESSEL 1. VESSEL 1 WAS A TOTAL LOSS FROM THE IMPACT.