The AS 9100 quality management standard was created primarily for the aerospace and defense industries. Some organizations, such as the Federal Aviation Administration (FAA), had long believed that the ISO 9000 series of standards were insufficient for maintaining quality and safety in the aerospace industry. Internal audits (a requirement of the AS 9100 Rev D Standard) are intended to verify the compliance and effectiveness of the organization's quality management system. AS9100 Internal Auditor Training Online