These changes greatly reduced the potential for collision injuries. Neither player was injured in the collision. Motion is caused by direct physical collision. It was designed to minimize abdominal injuries in the event of a collision. Norris would later retire due to damage from the collision. The first major satellite collision occurred on 10 February 2009. Hamilton later received a penalty for causing the collision. The cause of the collision was heavy fog. His character was killed in a midair collision. This set a worldwide precedent for mandatory use of Traffic Collision Avoidance System. The telegram related to a collision involving Scott's ship, . Mansell after a collision and Patrese with an electrical failure after 17 laps. He was unable to avoid a collision. The pilots believed a collision was imminent. Physical simulators differ in the way they react on a collision.