Glossary

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AS9100

AS9100 is a widely used quality management system (QMS) standard for organizations that design, develop, or manufacture products for the aviation, space, and defense sectors. It is built on ISO 9001 requirements and adds aerospace-specific clauses related to product safety, reliability, risk, and regulatory control.

AS9100 typically applies to OEMs, tiered suppliers, maintenance and repair organizations, and other service providers in the aerospace supply chain. In industrial and manufacturing environments, it is often used to structure QMS processes, documentation, and supporting IT/OT systems such as MES, ERP, document control, and quality systems.

What AS9100 covers

AS9100 commonly refers to:

  • A set of requirements for establishing, implementing, maintaining, and continually improving a QMS in aerospace-related organizations.
  • Expectations for documented processes, records, and controls that support product conformity and regulatory compliance.
  • Additional aerospace-sector focus areas beyond ISO 9001, such as configuration management, risk-based thinking, counterfeit parts prevention, product safety, and traceability.

Operationally, AS9100 influences how manufacturers structure:

  • Process documentation and digital work instructions.
  • Change control, configuration management, and revision tracking across design, manufacturing, and maintenance.
  • Nonconformance management, corrective and preventive action (CAPA), and root cause analysis.
  • Supplier qualification, monitoring, and flowdown of requirements.
  • Traceability, record retention, and evidence management for audits and customer reviews.

Use in regulated manufacturing environments

In regulated industrial operations, AS9100 often serves as the governing QMS framework around which processes and systems are organized. For example, MES and ERP configurations, electronic batch records, and document control workflows are frequently aligned with AS9100 clauses so that required data, approvals, and traceability can be demonstrated.

Organizations may map internal procedures, work instructions, and validation or qualification activities to AS9100 sections to support consistent implementation and to prepare for customer or third-party assessments. The standard itself does not prescribe specific tools or architectures; it defines requirements that can be supported by a range of OT and IT systems.

Common confusion

  • AS9100 vs. ISO 9001: ISO 9001 is a generic QMS standard for any industry. AS9100 incorporates ISO 9001 requirements and adds aerospace-specific requirements. An organization operating to AS9100 is typically expected to meet ISO 9001 requirements as part of that framework.
  • AS9100 vs. audits or certifications: AS9100 is the standard and set of requirements. Separate from the standard, organizations may undergo internal audits, customer audits, or independent third-party assessments that evaluate how their QMS conforms to AS9100 requirements.

Link to QMS “pillars”

When people refer to QMS “pillars” or core building blocks in aerospace manufacturing, they are often organizing key processes and systems around AS9100 requirements. Examples include document control, risk and change management, production process control, and CAPA, all structured so they can be traced back to relevant AS9100 clauses.

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