The STV 18-40 stair is a towable unit specially designed for boarding and off bording of passengers to/from all current types of aircraft having the height of the threshold from the ground ranging between mm. 1800 and 4000.
1800 to 4000 mm
Mounted on custom-made towable chassis which incorporates , variable angle ramp, electric system and associated hydraulics.
Ramp cylinders and outriggers. All cylinders with pilot overcentre valves