When most people think about counterfeit products, they imagine fake designer handbags, imitation electronics or counterfeit currency. However, one of the most serious and potentially dangerous forms of counterfeiting occurs within the aerospace supply chain.
Aircraft, spacecraft and defence systems rely on millions of individual components sourced from manufacturers and distributors across the globe. Every bolt, bearing, electronic component and structural part must perform exactly as designed. The introduction of counterfeit or suspected counterfeit parts can have catastrophic consequences, affecting safety, reliability, regulatory compliance and organisational reputation.
For aerospace manufacturers, CNC machining companies, precision engineers, OEMs and Tier 1 suppliers, counterfeit parts remain a very real and growing threat. This is one of the reasons why counterfeit part prevention is a dedicated requirement within AS9100.
What Are Counterfeit Aerospace Parts?
A counterfeit part is generally defined as a part, component or material that is intentionally misrepresented regarding its identity, source, traceability or certification.
Examples include:
- Components supplied with falsified certificates of conformity.
- Parts marked as originating from approved manufacturers when they do not.
- Used or refurbished components sold as new.
- Parts manufactured outside approved processes.
- Electronic components relabelled to appear as higher specification products.
- Materials supplied with forged test reports or material certificates.
The challenge is that many counterfeit parts can initially appear genuine. In some cases they can only be uncovered by detailed inspection, testing or failure analysis.
Is Counterfeiting Really a Significant Aerospace Problem?
Yes.
The aerospace industry is particularly vulnerable because of its highly globalised supply chain, long product lifecycles and reliance on extensive documentation and traceability systems. Industry experts have highlighted counterfeit components as an ongoing risk, particularly in electronic components, specialised alloys and obsolete parts.
As aircraft remain in service for decades, organisations often need to source replacement parts long after original production has ended. This creates opportunities for counterfeiters to exploit shortages and introduce unapproved products into the supply chain.
A Recent UK Example: The AOG Technics Scandal
One of the most significant recent examples emerged from the United Kingdom.
In 2023, regulators discovered aircraft engine components circulating with falsified documentation linked to London-based AOG Technics. Investigations revealed that documentation relating to the origin, status and certification of engine parts had allegedly been falsified, triggering a worldwide search for affected components. Airlines, maintenance providers and parts suppliers were impacted, and aircraft were temporarily grounded while investigations took place.
In 2026, the company’s director was sentenced after authorities found that tens of thousands of aircraft parts had been supplied with forged documentation. The case exposed weaknesses in documentation verification processes and highlighted how counterfeit or improperly certified parts can infiltrate even highly regulated aerospace supply chains.
The incident serves as a stark reminder that counterfeit risks are not theoretical. They are affecting real organisations, real aircraft and real supply chains today.
Read more: SFO secures 4-year prison sentence for aircraft parts fraud – GOV.UK
Have Boeing and Airbus Been Affected by Counterfeit Materials?
Yes.
Industry investigations have identified instances where aerospace manufacturers received materials accompanied by falsified certification documents. One widely reported case involved titanium used in aircraft structures that was supplied with counterfeit certification records. Although subsequent testing confirmed the material itself met technical requirements, the falsified documentation represented a serious breach of aerospace quality and traceability requirements.
The lesson is clear. Even when a component performs correctly, the inability to prove its origin and conformity creates unacceptable risks within aviation and defence applications.
Why Are Counterfeit Parts So Dangerous?
Counterfeit parts create multiple risks simultaneously.
The most obvious concern is safety. An unapproved component may fail unexpectedly, potentially leading to equipment malfunction, operational disruption or loss of life.
There are also significant compliance risks. Aerospace organisations operate within tightly controlled regulatory frameworks where traceability, configuration management and product conformity are fundamental requirements.
Counterfeit parts can also result in:
- Aircraft groundings.
- Costly recalls.
- Contractual penalties.
- Regulatory investigations.
- Loss of customer approvals.
- Damage to reputation.
- Removal from approved supplier lists.
For many suppliers, the commercial consequences can be as damaging as the technical risks.
How Does AS9100 Address Counterfeit Parts?
The International Aerospace Quality Group strengthened counterfeit prevention requirements when AS9100 was revised. Counterfeit parts prevention became a specific requirement within the standard, reflecting the industry’s growing concern regarding supply chain integrity.
AS9100 requires organisations to establish processes that prevent counterfeit or suspect counterfeit parts from entering products and services.
These controls typically include:
Supplier Approval and Monitoring
Organisations must ensure procurement occurs through approved and authorised sources wherever possible. Supplier performance and authenticity must be continually monitored.
Traceability Controls
AS9100 places significant emphasis on maintaining traceability throughout the supply chain. Organisations must be able to demonstrate where components originated and how they have moved through the supply chain.
Verification and Inspection
Incoming products should undergo appropriate inspection, verification and testing activities to confirm authenticity and conformity.
Personnel Awareness
Employees involved in procurement, receiving inspection and quality management should understand counterfeit risks and recognise warning signs.
Quarantine and Reporting
Suspect counterfeit parts must be controlled immediately to prevent accidental use or re-entry into the supply chain. AS9100 specifically requires controls to prevent counterfeit parts from being reintroduced into products.
Risk-Based Thinking
Organisations are expected to evaluate where counterfeit risks are greatest and implement proportionate controls based on the nature of products, suppliers and markets.
Common Questions About Counterfeit Aerospace Parts
How can companies identify counterfeit aerospace parts?
Warning signs may include missing documentation, inconsistent markings, unusually low pricing, packaging discrepancies, traceability gaps, altered certificates or sourcing from unapproved suppliers.
Are electronic components at higher risk?
Yes. Electronic components are often considered particularly vulnerable due to obsolescence issues, supply shortages and the complexity of verifying authenticity. Many aerospace organisations apply enhanced controls to electronic parts procurement.
Can counterfeit parts enter certified organisations?
Unfortunately, yes. Certification significantly reduces risk but does not eliminate it entirely. Effective implementation of AS9100 controls is essential.
What should organisations do if they discover a suspect counterfeit part?
The part should be immediately segregated, investigated and prevented from re-entering the supply chain. Relevant customers, suppliers and authorities may also need to be notified depending on contractual and regulatory obligations.
Does ISO 9001 cover counterfeit parts?
Not specifically. While ISO 9001 addresses supplier control and conformity, AS9100 introduces additional aerospace-specific requirements covering counterfeit parts prevention, product safety and enhanced traceability.
Future Challenges for Aerospace Supply Chains
Counterfeit risks are evolving.
Increasing supply chain complexity, geopolitical uncertainty, component shortages and global sourcing arrangements create new vulnerabilities. At the same time, organisations are exploring advanced technologies such as digital traceability platforms, blockchain solutions and enhanced authentication methods to strengthen supply chain visibility.
The challenge for aerospace organisations is balancing supply chain resilience with robust assurance processes.
How Assent Risk Management Can Help
Whether you are a CNC machining company, aerospace manufacturer, precision engineering business, maintenance organisation or Tier 1 supplier, implementing AS9100 effectively is one of the strongest defences against counterfeit parts entering your supply chain.
At Assent’s specialist Aerospace practice, VAELO AEROSPACE, we help aerospace organisations design, implement and improve AS9100 management systems that deliver genuine business value. Our consultants understand the practical realities of aerospace manufacturing, supplier management, traceability and regulatory compliance.
We support organisations with AS9100 implementation, gap analysis, internal audits, supplier assurance programmes, counterfeit part prevention controls and certification readiness activities.
If your organisation is pursuing AS9100 certification or looking to strengthen its aerospace quality management system, our team can help you build a compliant, resilient and commercially effective framework that protects both your customers and your reputation.

