Stinar’s Passenger Stair, Model SPS-3518 is an elite choice among boarding options. Built with heavy-duty steel frame construction and corrosion-resistant aluminum panels, the SPS-3518 is designed for durability. Engineered to service all aircraft with door sill heights between 96 and 228 inches, this stair is hydraulically operated and controlled from the OEM chassis cab with duplicate controls on the platform. Featuring anti-slip step covers, Wago electrical connections and a hydraulic enclosure for the valve bank and pump, this all-purpose chassis-mounted stair model is designed to meet all your operational needs backed by Stinar’s industry leading 36-month warranty coupled with an OEM chassis warranty.