RedactedNarrative: VESSEL ONE WAS TRAVELING SOUTH IN SKI ALLEY TOWARDS STUMP PASS. VESSEL ONE MADE A SHARP LEFT 180 DEGREE TURN IN THE DIRECTION OF A GROUP OF SWIMMERS WADING ALONGSIDE A SAND BAR, ON THE EAST SIDE OF SKI ALLEY. THE STERN OF VESSEL ONE MADE CONTACT WITH THE HEAD OF ONE OF THE SWIMMERS. VESSEL ONE THEN ABRUPTLY LEFT THE SCENE.