What is the recommended action during a Delta fire?

During a Delta fire, which typically involves flammable liquids such as fuel or oily substances, the correct recommended action is to evacuate and jettison burning materials overboard. This choice is critical due to the nature of Delta fires, which can escalate rapidly and pose significant risks to personnel and the vessel.

Evacuating personnel ensures their safety while also allowing for better focus on managing the fire environment. Jettisoning burning materials overboard serves to remove the immediate fuel source feeding the fire, thus reducing the intensity and spread of the fire. This action is vital for mitigating damage and potential injuries.

In contrast, using water to extinguish such fires can exacerbate the situation, as it might disperse flammable liquids and spread the fiery substance instead of containing it. Foam extinguishers can be effective for certain types of fires but may not be the best immediate action in chaotic circumstances without adequate assessment of the specific situation. While containing the fire until emergency services arrive is important in many scenarios, during a Delta fire, the priority should be to remove burning hazards as quickly as possible to ensure safety and limit damage.