What is the primary purpose of the leg restraint system?

The primary purpose of the leg restraint system is to prevent feet from flailing during ejection. When a pilot ejects from an aircraft, rapid acceleration and the forces involved can lead to uncontrolled movements that can result in injury. The leg restraint system is designed specifically to keep the pilot's legs secure and in a controlled position, minimizing the risk of injury to the pilot's lower extremities during this critical moment. This system plays a crucial role in ensuring the safe ejection process by stabilizing the pilot's body, allowing for a more favorable deployment of the parachute in the event of an ejection.

Other options touch on important considerations related to flight safety but do not directly address the specific function of the leg restraint system during an ejection scenario. For example, securing pilots during turbulence and maintaining posture can be aided by other forms of restraint systems or seat designs, but the leg restraint system's unique contribution comes into play primarily during the ejection procedure.