What is a 'safety briefing'?

A safety briefing is primarily understood as an instructional session that outlines emergency procedures for passengers. This briefing is crucial because it prepares individuals for various scenarios that may arise during a flight, such as evacuations or the use of safety equipment like oxygen masks and life vests. By providing essential information about what to do in emergencies, it enhances passengers' ability to react calmly and effectively, which can significantly improve safety outcomes in critical situations.

In contrast, the other options do not specifically address the focus and intent of a safety briefing in the aviation context. While introductory presentations for new hires serve their purpose, they do not involve the immediate focus on passenger safety during a flight. Similarly, pre-flight meetings among crew members are important for operational readiness but do not directly involve passengers. Lastly, a post-flight debriefing for safety improvements is oriented towards learning from past flights rather than preparing for immediate safety concerns. Thus, the role of a safety briefing is distinct and pivotal in ensuring that passengers are well-informed and equipped to handle emergency situations effectively.