What is the primary function of a megaphone or PA system during an evacuation?

• A. Play music to calm passengers.
• B. Record the evacuation for later.
• C. Silence cabin noise.
• D. To deliver clear, authoritative instructions to all passengers and coordinate movement toward exits.

Answer: (D)

During an evacuation, the essential purpose of a megaphone or PA system is to deliver clear, authoritative instructions to all passengers and coordinate movement toward the exits. In a chaotic, noisy cabin, amplified, consistent messages ensure everyone hears where to go, which exits to use, and what to do next, helping to maintain order and speed up safe egress. This direct communication reduces confusion and prevents bottlenecks as passengers move to safety. The other options don’t support a safe evacuation: playing music would distract and slow action, recording the evacuation wouldn’t provide real-time guidance, and silencing cabin noise isn’t the function of the system.