What notification should be made for a fire in the magazine under emergency procedures?

In the event of a fire in the magazine, the appropriate response is to evacuate to a safe distance. This action is critical because the magazine contains explosives and ammunition, and a fire poses a significant danger, not only to the vessel but also to the personnel onboard. The explosive nature of the materials stored necessitates immediate action to ensure everyone's safety.

Evacuating to a safe distance helps to minimize the risk of injury or loss of life in the event of an explosion or uncontrolled fire. It is essential for personnel to reach a location where they are not exposed to the hazards associated with the fire. Additionally, proper emergency protocols typically involve alerting emergency response teams and executing a coordinated evacuation, ensuring that all crew members are accounted for and placed in a safe environment.

In contrast, suggesting that an "all clear" signal be indicated or informing only the engineer on duty does not promote the comprehensive safety measures that need to be taken during such a critical situation. Continuing normal operations could lead to tragic outcomes, exacerbating an already dangerous scenario. Thus, prioritizing safety through evacuation is vital in response to a fire in the magazine.