Aviation towable passengers stairs, designed for boarding (unloading) of passengers, crew and technical personnel access to the aircraft with a door sill height from 1800 mm to 4000 mm. Logic module (Siemens) is used in this type of passengers stairs which controls all the functions of the special equipment and the sequence of operations. The chassis is made of welded tubular steel profile, treated with anti-corrosion epoxy primer and polyurethane paint (RAL upon request). The descent and ascent of the stairs, the descent and ascent of the stabilizers (outriggers), the movement of the equipment and the activation of the marker lamps are controlled by means of a keyboard located on the coupling device. The passengers stairs can be designed both with the electric engine (TE) as well as with diesel engine (T). Such type of passengers stairs is widely used in various airports and correspond international standards of IATA AHM 905, AHM 910, AHM 913, AHM 915, AHM 916, AHM 920.