SCHOPF PS 560 A/B is based on a specially developed airport vehicle chassis to service aircraft with door sill heights between 1.9 and 5.8 meters, powered by a diesel engine with hydrostatic drive. Also available as VVIP/VIP version. Options include all-weather-canopy, sun roof, auto-leveling system, etc. SCHOPF stairs are in service at civil airports worldwide and with military forces in various countries.