Abstract: A ball lock pin comprising a pin body with an inner accommodation and at least one locking ball accommodation; a blocking pin at least partly arranged in the inner accommodation and movable between a blocking position and a releasing position; at least one locking ball movably arranged in the at least one locking ball accommodation and biased into a locking position by the blocking pin, if the blocking pin is in the blocking position, wherein the at least one locking ball is released for moving into an unlocking position if the blocking pin is in the releasing position; a primary spring element arranged in the inner accommodation and biasing the blocking pin into the blocking position; and a redundant spring element arranged in the inner accommodation and biasing the blocking pin into the blocking position.

Abstract: A vehicle with a fairing and a sliding door that is glidingly mounted to the vehicle, wherein the sliding door is associated with a foldable fairing integrated footstep unit, and wherein the foldable fairing integrated footstep unit comprises: an outer shell that is integrated into the fairing of the vehicle, the outer shell comprising an exterior surface that creates in closed state of the foldable fairing integrated footstep unit an at least approximately continuous aerodynamic surface with the fairing.

Abstract: A vehicle with a fairing and a sliding door that is glidingly mounted to the vehicle, wherein the sliding door is associated with a foldable fairing integrated footstep unit, and wherein the foldable fairing integrated footstep unit comprises: an outer shell that is integrated into the fairing of the vehicle, the outer shell comprising an exterior surface that creates in closed state of the foldable fairing integrated footstep unit an at least approximately continuous aerodynamic surface with the fairing.