What is the priority action required from crew members during an emergency?

In the context of an emergency on an aircraft, the priority action required from crew members is to briefly communicate with other crew members. This is crucial because effective communication among the crew ensures that everyone is aware of the situation, understands their roles, and can coordinate their responses efficiently.

During an emergency, time is of the essence, and crew members need to quickly assess the situation, share important information, and execute emergency procedures as a cohesive unit. Briefing the crew helps establish a clear plan of action and ensures that all team members are aligned on the necessary steps to take, which significantly enhances passenger safety and the effectiveness of the response.

The other options, although potentially important in other contexts, are not the immediate priority during an emergency. Informing passengers of normal procedures may distract from critical emergency functions, engaging in discussions can lead to delays, and preparing a safety report is relevant post-incident rather than during the immediate response.