RedactedNarrative: THIS CRASH WAS CAUSED WHEN THE ANCHOR WAS SECURED FROM THE STERN OF THE VESSEL. WHEN THE ANCHOR CAUGHT, IT CAUSED THE STERN OF THE VESSEL TO BE ON THE UPSTREAM SIDE, SO WHEN THE FLOATING DEBRIS STRUCK THE STERN OF THE VESSEL, IT CAUSED WATER TO COME OVER THE STERN OF THE VESSEL, CAUSING IT TO SINK AND THE DAMAGE.