Towable pax step has various type i.e for passenger boarding, for interior cleaning/maintenance or for cargo aircraft used. It is devided into 2 models as follow:

1) APS 3700 for narrow body aircraft 
2) APS 5800 for all type of aircraft

It was design to be robust at the highest stability. All side panel are using perforated sheet in order to reduce wind force from side body.

 

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