Which term is used to describe a specific area where only authorized personnel can access in an airport?

The correct term used to describe a specific area in an airport where only authorized personnel can access is SIDA, which stands for Security Identification Display Area. SIDA areas are designated as such to enhance security measures, ensuring that only individuals who have been properly screened and cleared are allowed entry. These areas are often critical to airport operations; they may include sections around runways, taxiways, and aircraft loading areas where security is paramount.

Understanding the context of SIDA is important because it is part of the broader compliance with federal regulations concerning airport security. Personnel entering a SIDA must display specific identification that indicates they have met the necessary security checks. This term specifically reflects the regulatory framework designed to ensure a secure environment for flight operations and airport facilities.