DURING AN ATTEMPTED FREESTYLE JUMP FROM 10,500 FEET MSL, THE PARACHUTIST GRIPPED A BAR IN THE AIRPLANE, THEN SWUNG HIS LEGS OUTSIDE AND LET GO. DURING THIS ATTEMPTED EXIT, THE PARACHUTIST HIT HIS HEAD ON THE DOORWAY FLOOR. THE PARACHUTIST DID NOT TURN 'FACE TO EARTH,' SO ANOTHER PARACHUTIST ATTEMPTED A RESCUE; HOWEVER, HE WAS UNABLE TO CATCH UP. THE INJURED PARACHUTIST DID NOT DEPLOY HIS PARACHUTE. THE PARACHUTIST HAD ACCUMULATED 70 JUMPS PRIOR TO THE ACCIDENT, AND HE WAS NOT WEARING A HELMET.