AS9100D is an international standard that specifies the requirements for a quality management system (QMS) in the aerospace industry. It is based on ISO 9001, but it includes additional requirements specific to the aerospace industry such as those related to safety, flight worthiness, and compliance with regulatory requirements. It is intended to be used by organizations throughout the aerospace supply chain, including manufacturers, suppliers, and service providers. It includes requirements for risk management, configuration management, and continuous improvement. The standard is intended to help organizations demonstrate their ability to provide products and services that consistently meet customer and regulatory requirements and improve their performance in the aerospace industry.