Pulling the lever rearwards ejects the spent casing. This pontoon extended rearwards and carried the conventional empennage. This lever was characteristically extended rearwards, often reaching into the cab on early locomotives. A simple safety could be engaged while the bolt was in the rearwards (cocked) position. Further modification led to the cockpit being moved rearwards. The gun fairing partially covered the gun and extended rearwards, replacing the windshield. The rotor could be folded rearwards for transport. The wheel arches, which are open rearwards via a larger cross-section, contribute to improved airflow. Propeller planes are also capable of generating significant rearwards winds, known as prop wash. Because the tragus faces rearwards, it aids in collecting sounds from behind. The troop compartment has one roof hatch over the top, which opens rearwards. The last troop on both sides had internal radio and can observe rearwards and side. From the A-pillar rearwards, the E36/5 is unique from others in the E36 range.