What is the primary function of an airport's security plan regarding SIDA?

The primary function of an airport's security plan concerning SIDA (Security Identification Display Area) is to outline procedures and protocols for maintaining security. This includes detailed strategies and guidelines that help ensure all areas, especially those restricted to authorized personnel, are secure from potential threats.

A comprehensive security plan ensures that all individuals who have access to SIDA are properly vetted and that there are protocols in place for monitoring and responding to security breaches. It provides a structured approach to managing various aspects of security, including access control, surveillance, and emergency response procedures.

In contrast, while passenger safety is crucial, the security plan encompasses a broader scope that includes the security of cargo, personnel, and the physical infrastructure of the airport itself. Personnel scheduling and maintenance schedules, while important operational considerations, do not directly address the overarching goal of maintaining security as outlined in the airport's security plan.