What is the proper procedure for closing a compartment during flooding?

The proper procedure for closing a compartment during flooding involves sealing all openings and then monitoring the compartment. This approach is critical because when flooding occurs, the immediate goal is to contain the water and prevent it from spreading further within the vessel. By closing all hatches, doors, and any other openings, the water intrusion can be minimized, allowing for better damage control and stabilization of the vessel.

Monitoring the compartment is also essential, as it provides awareness of the flooding situation and enables crew members to assess any changes in water levels or conditions inside the compartment. This proactive approach is a fundamental concept in damage control, as it balances immediate action with continuous assessment of the situation.

In contrast, identifying the flooding source and opening all hatches would exacerbate the flooding issue, while only closing the door nearest to the flooding ignores the potential for water to enter through other areas. Informing the captain and waiting for instructions may delay critical actions that need to be taken immediately, especially in a dynamic and potentially dangerous situation. Therefore, sealing off the compartment and keeping an eye on it is the most effective procedure to manage flooding.