I , BEING THE OWNER WITH A PASSENGER, OF A F- 350 7.3 CREW CAB DIESAL 4X4 WAS IN AN ACCIDENT AFTER GOING OVER BLACK ICE ON I-40 NEAR FLAGSTAFF AZ. RESULTING A ROLL OVER AND TAKING OUT A 14 INCH PINE TREE AND LANDING ON ITS PASSENGER SIDE WHEN IT WAS ALL SAID AND DONE! THE AIR BAGS IN THE PICK- UP DID NOT DEPLOY !