AIRM stands for Air Traffic Management Information Reference Model. It is a comprehensive reference model and system-wide vocabulary designed to promote semantic interoperability within the air traffic management (ATM) community. The AIRM captures and standardizes the information and data exchanged in ATM, ensuring consistent understanding and usage across various stakeholders. Key features of AIRM include: AIRM helps improve the efficiency and reliability of air traffic management by ensuring that all parties involved have a clear and consistent understanding of the information being exchanged. Is there anything specific you would like to know about AIRM or its applications in air traffic management?