WHILE ADDING A SECTION OF TRAIL CABLE, THE CABLE WAS BEING REELED OFF THE REEL TRUCK. PULLING SLACK, HE WAS MIDWAY FROM THE A PIT DIRECTING CABLE MOVEMENT. CABLE GOT TANGLED ON THE REEL TRUCK REAR BUMPER. HE WAS LOOKING FORWARD A PIT NEVER SAW CABLE STRETCHING. HE WAS FLIPPED LANDING FACE DOWN. HE NEVER SAW CABLE OPERATOR MOTIONING FOR HIM TO STOP.