Abstract: An improved arm restraint system for moving the arms of an ejection seat occupant to restrained positions along the sides of the occupant's torso upon initiation of emergency escape ejection of the seat and occupant from an aircraft includes a multistrap and guide ring arrangement wherein the elbow of the aircrewman is drawn tightly against the torso side through a direct interconnection therebetween and concurrently his hands/wrists are drawn to the ejection control of the seat.

Abstract: A system for measuring head and neck impact forces, having a movable plate member with an anthropometric dummy head and neck member secured to the plate member. Three force measuring cells are positioned in a horizontal plane and are connected between the movable plate member and three column members. Three vertical force measuring cells are positioned between a support plate and the movable plate member. High frequency response triaxial accelerometers are mounted at the center of gravity of the dummy head and neck member and on the movable plate member adjacent the attachmment of the dummy head and neck member.