Which system is used to control entry to secured areas at an airport?

• A. Passenger Boarding Bridge
• B. Physical Access Control Systems (PACS)
• C. Runway lighting
• D. Public Address System

Answer: (B)

Physical Access Control Systems are designed to enforce who can enter restricted airport areas. They manage entry at doors and other access points by requiring credentials (like badges or biometrics), authenticating the person, and then granting or denying access. They also log entry events and can be integrated with visitor management, alarms, and surveillance to improve security and accountability.

Why the other options aren’t for controlling secure access: a Passenger Boarding Bridge is the walkway that connects the terminal to the aircraft for boarding, not a security access system. Runway lighting is about illuminating runways for safe aircraft operations, not controlling who can enter secured zones. A Public Address System is used to broadcast announcements to passengers and staff, not to authorize or track access to restricted areas.

So, the system that controls entry to secured areas at an airport is Physical Access Control Systems.