WAS TRAVELING 25MPH OR HIGHER ON A KENTUCKY ROAD FAILED TO MAKE A CURB, AND VEHICLE SLID ON A PATCH OF ICE. HIT A ROCK HARD , JUMPED INTO A DITCH. AIR BAGS FAILED TO DEPLOY. WAS IN DITCH FOR 12 HOURS. VEHICLE WAS LAYING ON ITS SIDE. DRIVER SUSTAINED A CRACKED ELBOW. *AK