What is the primary function of an electrohydraulic steering unit?

The primary function of an electrohydraulic steering unit is to assist in steering the vessel. This system uses hydraulic mechanisms, powered by electric controls, to steer the ship more effectively and with greater precision. By leveraging hydraulic force, the steering unit can provide smoother and more responsive maneuvers, which is crucial in navigating vessels, especially larger ones that require significant effort to turn.

The electrohydraulic system enhances steering control, allowing for automated responses and integration with other navigational tools, which are essential for ensuring safety and efficiency at sea. This capability significantly improves a vessel's handling characteristics, making it easier for operators to manage turning and heading adjustments, especially during complex operations or adverse weather conditions.

Other options, such as controlling engine speed, operating hydraulic pumps, or regulating fuel flow, are unrelated to the primary purpose of steering a vessel and are functions managed by different systems in marine engineering.