Complete List of ATA Chapters (ATA 100 Specification) – Aircraft Systems Explained The ATA 100 chapter numbering system , developed by the Air Transport Association (ATA) , is a globally accepted standard used in aircraft maintenance manuals, training programs, and aviation documentation. It provides a structured method to classify aircraft systems, structures, and components , making troubleshooting, maintenance, and learning consistent across different aircraft manufacturers. This guide is written for aircraft maintenance engineers (AMEs) , aviation students , and aviation enthusiasts who want a clear and complete understanding of ATA chapters. General Information Chapters (ATA 00 – 18) ATA 00 – Introduction and General Information ATA 01 – Maintenance Policy ATA 02 – Aircraft Operations ATA 03 – Support and Ground Equipment ATA 04 – Airworthiness Limitations ATA 05 – Time Limits and Maintenance Checks ATA 06 – Aircraft Dimensions and Areas ...