What is the role of MMs (or IEM) during HPU engagement?

During HPU (Hydraulic Power Unit) engagement, MMs (Marine Maintainers) are primarily responsible for manning the AFT steering and verifying temperature. This role is crucial as it ensures that the steering system is functioning properly and that the temperature of the components involved does not surpass safe operational limits. Monitoring temperature is vital because overheating can lead to equipment failure or compromise the safety of the vessel. This oversight helps maintain optimal operational conditions and is essential for the overall safety of the maneuvering process during HPU engagement.

The other options address different responsibilities that may not directly align with the specific tasks associated with the engagement of the HPU. For example, activating the emergency shutdown may be a necessary action in certain scenarios, but it does not reflect the direct involvement of MMs during the engagement process. Coordinating with bridge personnel is important but pertains more to communication across different teams rather than the technical operations of the hydraulic system. Simulating commands from the helm is also not a typical function of MMs, as their focus is more on the physical aspects of steering and monitoring equipment rather than simulating command scenarios.