IAQG Column | Gaëlle LeBouar
The Evolution of Quality Standards: From ISO 9001 to the 9100 for Aerospace
These enhancements are critical for aerospace organizations, where precision, safety, and reliability are non-negotiable.

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ISO 9001 is widely regarded as the global benchmark for quality management systems (QMS). This standard provides organizations across industries with the framework needed to consistently deliver products and services that meet customer expectations. With over one million certifications worldwide spanning 170 countries,ISO 9001 has become the foundation upon which many industries build their quality practices.
While ISO 9001 establishes a strong baseline, it does not address the specific demands of every sector. For instance, industries such as medical devices, railways, petroleum, and software have developed their own derivative standards. Similarly, the aerospace, aviation, and defense sectors, given the critical nature of their products and services, required a more robust set of requirements. This is where the 9100 comes into play. These standards, developed under the leadership of the International Aerospace Quality Group (IAQG), expand on ISO 9001 to address the unique needs of these industries.
What Sets the 9100 Apart?
The 9100 builds upon ISO 9001 by introducing an additional 160 requirements tailored specifically for the aerospace sector. These requirements enhance the focus on safety, reliability, and conformity throughout the entire supply chain. Key enhancements include:
- Critical Item Management: The standard defines critical items and key characteristics, emphasizing their identification and management during the product development process.
- Product Safety: Safety is central to aerospace, and the 9100 incorporates specific measures to manage risks and ensure safety throughout the product lifecycle.
- Foreign Object Debris (FOD) Control: Cleanliness is paramount in aerospace manufacturing. The standard includes guidelines to prevent and manage foreign object debris during production.
- Change Management: Rigorous controls for managing changes to products, processes, and suppliers are outlined, ensuring risks are mitigated effectively.
- Supply Chain Control: The 9100 mandates a robust approach to monitoring and managing the entire supply chain, from raw material suppliers to final product assembly.
These enhancements are critical for aerospace organizations, where precision, safety, and reliability are non-negotiable.
Certification in the Aerospace Sector: The Role of IAQG Certification Scheme
A distinctive feature of the 9100 is the IAQG Certification Scheme. This approach goes beyond traditional certification methods by introducing direct oversight from the aerospace industry itself. In this Certification Scheme, IAQG plays an active role in ensuring the integrity of the certification process.
Under this system:
- Certification bodies are audited by accreditation bodies, which in turn are overseen by IAQG.
- Industry representatives participate as Certification Oversight (CO) assessors, conducting supplemental reviews and ensuring certification standards are uniformly applied worldwide.
This added layer of oversight strengthens the connection between the certification process and the operational needs of the aerospace sector. It also ensures global consistency and reliability, making the 9100 certification a true mark of excellence.
OASIS: A Unique Tool for Aerospace Quality Management
The Online Aerospace Supplier Information System (OASIS®) is another cornerstone of the 9100 framework. Managed by IAQG, OASIS provides a centralized database of certified aerospace suppliers, ensuring transparency and traceability across the supply chain. Through OASIS, organizations can:
- Access detailed certification reports from their suppliers.
- Report and track complaints directly with certification bodies and suppliers.
- Stay informed about changes to supplier certifications, such as suspensions or withdrawals.
This comprehensive tool is unmatched in its ability to support supply chain oversight and quality assurance in the aerospace industry.
The aerospace industry thrives on precision and innovation, and the 9100 certification reflects these values.
Why 9100 Certification Matters
For aerospace organizations, achieving 9100 certification signifies more than compliance—it demonstrates a commitment to exceeding the standard expectations of ISO 9001. By addressing the unique challenges of the aerospace sector, the 9100 series provides:
- Enhanced safety and reliability.
- Stronger supply chain management.
- A globally recognized mark of quality and trust.
Unlike ISO 9001, the 9100 certification integrates industry-specific requirements with direct industry oversight and a robust database tool. This combination ensures that every aspect of the supply chain, from raw materials to finished products, adheres to the highest standards of quality and safety.
Final Thoughts
The aerospace industry thrives on precision and innovation, and the 9100 certification reflects these values. By building upon ISO 9001 and tailoring its approach to the unique demands of aerospace, IAQG has created a framework that not only ensures compliance but also fosters continuous improvement.
For those involved in the aerospace supply chain, understanding and embracing the 9100 standard is essential. Tools like OASIS and the IAQG Certification Scheme further reinforce the integrity of the certification process, offering confidence and reliability in an industry where every detail matters.
To learn more about the 9100 standards and tools like OASIS, visit IAQG.org.
The IAQG president will be delivering the keynote at The Quality Show April 16 in Nashville. Eric Jefferies, president, International Aerospace Quality Group (IAQG) and Sr. Manager, Process Integrity and Compliance for Bell Textron, will be presenting the keynote session on “Quality in the Digital World.”
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