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This specification established (1) the common requirements for hydraulic units capable of functioning as starters and as pumps suitable for use in aircraft and missiles and (2) the methods to be used for demonstrating compliance with these requirements.

This SAE Aerospace Standard (AS) provides general design and test requirements for a flat cut-off pressure compensated, variable delivery hydraulic pump for use in a civil aircraft hydraulic system with a rated system pressure up to 5000 psi (34500 kPa). NOTE: Hydraulic pumps may incorporate features such as a clutch in the input drive, which will not be covered by this standard.

This specification establishes the common requirements and provides a guide for special requirements for variable delivery hydraulic pumps, suitable for use in civil aircraft. It also specifies the methods to be used for demonstrating compliance with these requirements.

This specification establishes the common requirements for variable delivery, hydraulic pumps, suitable for use in aircraft; and the methods to be used for demonstrating compliance with these requirements.