This SAE Aerospace Recommended Practice (ARP) covers the design and installation requirements for hydraulic systems (up to 8000 psig [56 MPa]) for ground support equipment (GSE). The GSE may be portable or stationary.

Classification:

The hydraulic systems defined by this document shall be capable of servicing aircraft systems and components of all types and classes defined in MIL-H-5440. The terminology, Class XXXX, where XXXX is the GSE system pressure, is utilized within this document.