✈️ AS9100

AS9100 Rev D Aerospace Suppliers in North Charleston, SC

AS9100 Rev D is the aerospace quality standard that turns a competent machine shop into a qualified flight-hardware supplier, and in North Charleston it is the credential that separates vendors who can quote 787 and defense work from those who cannot. Built on ISO 9001 but extended with configuration management, risk management, and counterfeit-parts controls, AS9100 reflects the zero-escape expectations of a final assembly town. This page walks through how the local aerospace base drives demand, what the certificate actually obligates, and where buyers most often trip up.

AS9100ISO 9001NADCAP
AS9100 Rev D is ISO 9001:2015 with an aviation, space, and defense overlay, and the overlay is exactly the part that matters in North Charleston. Where ISO 9001 asks a supplier to control its processes, AS9100 demands configuration management so that every part conforms to a controlled design baseline, formal risk management across the product lifecycle, and specific controls to prevent counterfeit parts from entering the supply chain. It also tightens first-article inspection expectations and product-safety accountability in ways a commercial QMS does not. For a buyer feeding the 787 ecosystem or a defense subcontract, those additions are not bureaucratic. Configuration management is what guarantees the bracket you receive matches the exact revision the prime released. Counterfeit-parts controls are what keep gray-market fasteners and electronic components out of flight hardware. Risk management is what forces the supplier to plan for the failure modes that turn a minor escape into a grounded aircraft. This is why AS9100 is treated as a hard gate in this market. A supplier without it may machine a beautiful part, but they cannot demonstrate the lifecycle controls that aerospace primes require before that part ever touches an aircraft.

Sourcing and Qualifying an AS9100 Shop in the Lowcountry

AS9100 certification is auditable in a way buyers can independently confirm. Certified suppliers are recorded in the OASIS database (the Online Aerospace Supplier Information System) maintained under the IAQG, and you should verify a North Charleston supplier's certificate there rather than relying on their website. Confirm the certificate is current, the certification body is accredited, and the scope covers both the processes and the facility you intend to use. Scope discipline is even more critical with AS9100 than with ISO 9001, because aerospace programs flow down requirements precisely. A certificate scoped to assembly does not cover machining; one scoped to a sister plant does not cover the North Charleston address. When special processes like heat treat, welding of flight hardware, or surface finishing are involved, ask whether those are performed in-house under NADCAP accreditation or routed to a NADCAP-accredited subcontractor, because AS9100 alone does not accredit special processes. Finally, qualify the relationship the way a prime would. Request the supplier's first-article inspection capability, their approach to source inspection, and their record on customer scorecards. A North Charleston shop that genuinely serves the local aerospace tier will have this conversation comfortably because it is the conversation they have every day.

Where AS9100 Buyers Get Burned in This Market

The most common mismatch is assuming AS9100 covers special processes. It does not. A supplier can be fully AS9100 certified and still need NADCAP accreditation for the heat treat, chemical processing, welding, or nondestructive testing on your part. Buyers who skip this verification end up with a certified shop subcontracting a critical process to an unaccredited vendor, which a prime's source inspection will catch at the worst possible time. A second pitfall is scope drift. Because North Charleston attracts suppliers chasing Boeing-adjacent work, some shops hold AS9100 for a narrow scope and quote broadly. Always match the certificate scope to the actual operations on your part, and get the flow-down requirements from your prime in writing so you can confirm the supplier meets every one. The third trap is treating AS9100 as interchangeable with ITAR or export-control compliance. They are unrelated programs. AS9100 governs quality; ITAR governs whether the supplier may legally handle defense-controlled technical data. For defense work in this market, you frequently need both, and a supplier holding one says nothing about the other.

Frequently Asked Questions

AS9100 Rev D contains the full text of ISO 9001:2015 and then adds aerospace-specific requirements on top. The key additions are configuration management, which ensures parts conform to a controlled design baseline and revision; formal risk management across the product lifecycle; counterfeit-parts prevention controls; tighter first-article inspection requirements; and explicit product-safety accountability. For a buyer feeding Boeing's 787 line or a defense program out of North Charleston, those additions are exactly what aerospace primes require before flight hardware is accepted. An ISO 9001 certificate proves a supplier controls its general processes, but it does not prove they can manage configuration, prevent counterfeit material, or meet the FAI rigor aerospace demands. In practice, ISO 9001 may be acceptable for ground-support equipment or facility fabrication, but for anything that becomes part of an aircraft, AS9100 is the working requirement and you should verify it in OASIS rather than assume it.
No, and this is the single most common mistake aerospace buyers make. AS9100 is a quality management system standard; it does not accredit special processes. Special processes such as heat treatment, chemical processing, surface finishing, welding of flight hardware, and nondestructive testing are accredited separately through NADCAP. A North Charleston supplier can be fully AS9100 certified and still be required to either hold NADCAP accreditation for those processes or route them to a NADCAP-accredited subcontractor. Before you place work, identify every special process your part requires and confirm how each one is covered. If the supplier subcontracts heat treat or NDT, ask for the accredited vendor's NADCAP scope. Aerospace primes verify this during source inspection, so a gap here will surface at the worst possible moment, typically when parts are already in transit. Treat AS9100 and NADCAP as complementary, not interchangeable, when sourcing in this market.
AS9100 certificates are recorded in OASIS, the Online Aerospace Supplier Information System maintained under the International Aerospace Quality Group. Rather than trusting a logo or a PDF, look the supplier up in OASIS and confirm the certificate is active, the certification body is accredited, and the scope statement covers both the specific North Charleston facility address and the exact processes you intend to buy. Aerospace flow-down is precise, so a certificate scoped to assembly does not authorize machining, and a certificate tied to a different plant does not cover the local site. Also confirm currency, since certificates run on a renewal cycle with surveillance audits. If special processes are involved, separately verify NADCAP accreditation. Finally, request the supplier's first-article inspection capability and any recent customer scorecard data. A shop genuinely serving North Charleston's aerospace tier will provide all of this readily, because it is exactly what their existing prime customers already require of them.
Often yes, because they govern completely different things. AS9100 is a quality standard that ensures aerospace parts are made correctly with proper configuration control and traceability. ITAR registration is an export-control requirement under the International Traffic in Arms Regulations that determines whether a supplier may legally receive, store, and work with defense-controlled technical data and articles. A supplier can be AS9100 certified but not ITAR registered, or registered but not certified; holding one tells you nothing about the other. North Charleston's defense manufacturing tier frequently needs both at once: AS9100 to satisfy the quality flow-down and ITAR to legally handle the controlled drawings and hardware. When sourcing defense-related aerospace work locally, confirm AS9100 status in OASIS and separately confirm ITAR registration and the supplier's technology control plan. Treating them as a single credential is a compliance risk that can expose your program to both quality and export-control violations.

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Last updated: July 2026

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