What should accompany a life jacket when it is stowed?

A life jacket should be accompanied by a light when it is stowed to ensure safety during emergencies, particularly in low-visibility conditions or at night. The light serves as an essential signal that can help rescue teams locate individuals in distress, especially if they end up in the water. According to regulations and best practices, personal flotation devices (PFDs) must be equipped with a light to enhance visibility and increase the chances of recovery.

In terms of the other options, while features like a locking mechanism or a manual tie down are beneficial in securing equipment, they do not enhance the safety aspects related to visibility and recovery like a light does. A weak link, typically used in the context of rigging or towing, does not apply in this situation. Thus, having a light attached to a life jacket is a critical safety feature that aligns with maritime safety regulations.