How should passengers be informed of an emergency evacuation?

Passengers should be informed of an emergency evacuation through a combination of signals and announcements because this method ensures that the message is clear and reaches all individuals effectively, regardless of their circumstances.

In an emergency situation, relying solely on sound signals or verbal announcements can lead to confusion or miscommunication. For instance, some passengers may have hearing impairments and might not respond to auditory signals, while others could be distracted or unable to hear verbal announcements over noise in the environment. By incorporating both methods, it increases the likelihood that all passengers will receive and understand the evacuation instructions, thereby enhancing their safety. This holistic approach takes into account different communication needs and responses in high-stress situations.