What does the acronym PSI stand for in aviation-related contexts?

In aviation-related contexts, the acronym PSI stands for "Principal Security Inspector." This designation refers to a key position within the aviation industry that is responsible for overseeing security measures and regulatory compliance related to airport operations and airline activities. The Principal Security Inspector plays an essential role in ensuring that federal security regulations are implemented effectively, thereby maintaining a secure environment for passengers and crew.

This position often involves comprehensive assessments of security protocols, incident investigations, and the collaboration with various stakeholders to enhance overall safety in aviation. Understanding the role of a Principal Security Inspector is crucial for those involved in aviation security management or regulatory compliance, as this role is pivotal in safeguarding against potential threats and ensuring adherence to aviation security standards.