Towable Passenger Stair – ASTRA PST 1838

Description
Specifications

The towable stair model PST1838 is designed for passenger embarking/disembarking of aircraft with door sills located at heights from 1800 mm to 3800 mm above the ground level.

  • Staircase internal width: 1200 mm
  • Platform internal width: 1750 mm
  • Handrail height platform: 1100 mm
  • Payload: 400 kg/m2

Equipped with:

  • Hydraulic system for height regulation;
  • Manually operated stabilizers;
  • Slidable platform handrails;
  • LED steps lights with inbuilt battery

Chassis and Staircase
The staircase is assembled on a towable steel closed profile chassis, with the steps and upper platform being covered with aluminium antiskid sheet. The stair’s front turntable steering enables excellent manoeuvrability and is equipped with a towbar and parking brake. Manually operated stabilizers secure the stability of the stair when it is in the operational position.

Stair Raise
The raising of the stair is achieved by a hydraulic cylinder with an independent hydraulic system, powered by a hand pump. The uplift can be adjusted within the aforementioned height range and the stair is locked at the desired height level by a safety mechanism.

Platform
The top platform’s swivel type nose allows for any misalignment of the stair to the aircraft and is equipped with a rubber bumper for aircraft protection. Handrails on both sides of the platform are manually extendable and also equipped with rubber on its front parts.

Option
Pedestrian Control System e.g. electric or engine driven

  • Working height range: 1800-3800  mm;
  • Payload: 400kg/m2
  • Side handrails height: 1000 mm
  • Platform handrails height 1100 mm
  • Hydraulic system – standard is manual, can be electrical or engine powered
  • Drive – towable, pedestrian movement as option