in seeing the responses as well. My current setup is pretty good but when I use steer to apparent wind, the unit works twice as much and the noise drives me nuts. It's not loud but it's a constant "zzzp, zzzp, zzzp' that annoys me. It's listed as being a Nexus II autopilot by the boat builder but seems to be a combo of a Comnav control unit and electro-hydraulic of B & G descent.