What should be the immediate action taken in case of a fuel leak onboard?

In the event of a fuel leak onboard, the immediate action should be to evacuate the area, secure the fuel source, and initiate emergency protocols. This response is crucial for ensuring the safety of all personnel aboard and minimizing the risk of fire or explosion, as fuel leaks can create highly dangerous environments. Evacuating the area helps protect individuals from toxic fumes and potential fires that may result from the leak.

Securing the fuel source involves taking steps to stop or contain the leak, which might include shutting down valves or activating containment measures. Initiating emergency protocols ensures that all crew members know their responsibilities during the incident and facilitates an organized and effective response. Following established procedures helps to mitigate the situation and minimizes the potential for harm to personnel and the vessel itself.

The other choices do not prioritize safety or effective emergency management. For instance, notifying the Coast Guard and leaving the vessel may not be appropriate until the situation is assessed, as immediate actions can often prevent escalation. Attempting to fix the leak immediately without securing the area might expose individuals to unnecessary risk. Ignoring the leak unless it smells bad fails to address the potential danger that a fuel leak presents, as it may not produce an overwhelming odor until conditions are already hazardous.