What is the purpose of a 360-degree preflight and in-flight security sweep?

• A. To check for catering items
• B. To identify potential security threats from all angles inside the cabin
• C. To measure cabin temperature
• D. To assess entertainment system status

Answer: (B)

A thorough 360-degree preflight and in-flight security sweep is about detecting security threats by observing the cabin from every direction. The idea is to systematically move through all areas—aisles, seats, galleys, lavatories, overhead bins, and even behind and under seating when appropriate—to spot anything out of place, unattended items, tampering, or suspicious behavior. By checking in all directions, crew can notice changes or hazards that could indicate a risk, such as an item left behind, concealed objects, or someone trying to bypass security procedures. Conducting this sweep before passengers board and at intervals during the flight keeps situational awareness high and helps address potential threats before they escalate. It’s not about catering items, cabin temperature, or entertainment system status; those are separate tasks handled for service, comfort, or maintenance rather than security.