For fast craft lacking wetted sides at high speed Humphree offers custom steering systems comprising the following main components:

• Port and starboard base-ventilated fins
• Interceptor units for mounting to fin base and transom
• Electric servo actuators
• Interceptor control unit, with interfaces to waterjet control system
and nship monitoring system
• Interceptor position indication instruments
• Bridge selector switch panels
• Upgrade of waterjet control system to provide interceptor steering
functionality