ATA 100 / ATA iSpec 2200 System: The Backbone of Aircraft Maintenance Documentation Aircraft maintenance is one of the most critical aspects of aviation safety. To manage the complexity of modern aircraft, engineers, technicians, and operators rely on standardized documentation systems. Among the most important of these is the ATA 100 standard and its modern update, ATA iSpec 2200 . Understanding ATA chapters and iSpec 2200 is essential for anyone in aviation, whether you are an aspiring maintenance engineer, a licensed technician, or an aviation enthusiast aiming to understand how aircraft are maintained safely and efficiently. What is ATA 100? ATA stands for Air Transport Association . The ATA 100 standard was created to standardize aircraft documentation so that maintenance information is organized consistently across all aircraft types and manufacturers. Each system, component, and procedure is assigned a unique chapter number to simplify navigation and communication. ...