Unmanned engine rooms and navigational decision support has been common practice in the marine industry for many years. In parallel, autonomous components have been developed in the automotive industry, and the safety benefits resulting from these, have led to similar systems for ships. Important elements of these systems are situational awareness, collision avoidance and remote monitoring & control. For such systems to gain acceptance, the performance, safety and regulations need to be further improved and established. Simulation is the key to assist in this. Collision avoidance is discussed on Page 10, and here we highlight MARIN’s work regarding situational awareness and monitoring & control.