Historical
BS EN ISO 10592:2017
Small craft. Hydraulic steering systems (British Standard)
Specifies requirements, test methods, manuals for both the owner and the installer, and the designation for hydraulic steering systems and components from the wheel to the interface point for outboard motor, inboard motor and inboard-outdrive steering arrangements, used on small craft of up to 24 m length of hull.
British Standards Institution [bsi]