ENMARES Pax and Cargo Door Maintenance Stairs (E-PCDS) provides an ergonomical access to pax and cargo doors of a wide range of aircraft. Its wide working height range is the result of an elaborate operational investigation. The minimum and maximum operation heights of E-PCDS, stairs of which are always horizontal at any elevation, are 2,60 m and 6,50 m respectively. This means that access to all pax and cargo doors of any aircraft; even engines in some applications have been included in its capability by an effective selection of these measures. E-PCDS has 2 main types designed for wide and narrow bodies. Platform elevating mechanism can be manufactured as electromechanically or hydraulically driven upon customer’s request.