This SAE Aerospace Informantion Report (AIR) lists military and industry specifications, standards, recommended practices and information reports used in the design of aerospace hydraulic and pneumatic components and systems. It is intended as a supplement to specifications ARP4752, MIL-H-5440, and MIL-P-5518. Only those hardware standards specifically applicable to hydraulic or pneumatic components or systems are listed in this document. The purpose of this document is to provide a single document that lists active aerospace hydraulic and pneumatic specifications, standards, recommended practices and information reports.