How are compartments located port to the centerline indicated?

The correct indication for compartments located to the port side of the centerline in a naval vessel is represented by even numbers. This numbering system is part of the standard convention used in naval operations to help identify and locate various compartments within a ship, enhancing navigational efficiency and safety.

In this system, odd numbers are typically assigned to compartments located to the starboard side, while even numbers designate those on the port side. This differentiation allows crew members to quickly ascertain which side of the ship a specific compartment is on, facilitating better communication and operational clarity in various situations, such as emergency evacuations or maintenance operations.

The other options, such as letters or zeros, do not specifically correspond to the established numerical system for differentiating between port and starboard compartments. This numbering convention is essential for maintaining organization within a ship and ensuring that personnel can find their way around effectively.