RedactedNarrative: THE CRASH OCCURRED DUE TO THE OPERATOR OBSERVING A ROCKY SHOAL, TRIMMED UP THE OUTBOARD MOTOR IN AN EFFORT TO KEEP THE MOTOR FROM STRIKING ROCKS.  AFTER CLEARING THE SHOAL, OPERATOR 1 ATTEMPTED TO STEER RIGHT TO CONTINUE DOWNSTREAM, BUT DUE TO LOSS OF THROTTLE CONTROL AND STEERING, THE VESSEL CONTINUED STRAIGHT AND OPERATOR WAS UNABLE TO AVOID STRIKING A TREE