Where must the principal radiotelephone operating position be installed in a ship station?

The correct answer highlights the requirement for the principal radiotelephone operating position to be located in proximity to the area where the ship is typically steered while at sea. This positioning is crucial for ensuring that the operator can effectively communicate during navigational operations, especially in emergency situations. Having the operating position close to the steering area allows for quick access to the communication equipment, facilitating timely responses to any incidents that may arise while navigating.

This choice aligns with safety protocols that prioritize effective communication between crew members and between the vessel and outside entities, such as rescue services or other ships. By situating the operating position in the same room or an adjoining room to the steering area, it ensures that the person operating the radiotelephone can rapidly relay information or receive instructions without unnecessary delays.

In contrast, while other options mention various locations within the ship, they may not adequately support the practical necessity of being close to the steering command, potentially hindering quick communication when it is most vital.