What is the first action required during mid cabin fire fighting duties?

In the event of a mid-cabin fire, the initial action focuses on ensuring that the crew can effectively manage the situation and maintain situational awareness. Turning the emergency lights to bright significantly enhances visibility in the cabin, which is crucial during an emergency. This increased illumination not only helps in identifying the source of the fire but also assists crew members and passengers in evacuating the area safely if needed.

While other actions, such as notifying crew members of the fire or activating the fire suppression system, are vital steps in the firefighting protocol, they may depend on having a clear view of the cabin environment and effective communication. The decision to make emergency lights bright lays the foundation for an organized and efficient response by ensuring that everyone involved can see clearly amid smoke or panic. Thus, this action is prioritized to support the overall safety and effectiveness of fire fighting duties.