RedactedNarrative: UNIT 1 WAS APPROACHING CHARLESTON HARBOR WHEN IT LOST ELECTRICAL POWER AND PROPULSION.  UNIT 1 CONTINUED MAKING WAY UNDER SAIL WHEN IT WAS PUSHED INTO THE NORTH JETTY ROCKS DUE TO HIGH WINDS.  UNIT 1 CONTINUED ACROSS THE JETTY AND STRUCK THE SOUTH JETTY WHERE IT BECAME HARD AGROUND.  THERE APPEARED TO BE NO HULL PENETRATION.  THE OPERATOR OF UNIT 1 WAS AIRLIFTED TO BY USCG TO CHARLESTON EXECUTIVE AIRPORT DUE TO WATER CONDITIONS.