BS EN ISO 10592:2017 Small craft. Hydraulic steering systems

Impact testing
Boats
Endurance testing
Steering gear
Angles (geometry)
Performance
Handbooks
Water transport engineering components
Performance testing
Testing conditions
Dimensions
Installation
Hydraulically-operated devices
Hydraulic equipment
Shipbuilding
Steering control devices
Steering wheels
Water transport engineering
Designations
Mechanical testing
Marking

Link: BS EN ISO 10592:2017 Small craft. Hydraulic steering systems
Source: BSI Standards