✈️ AS9100
AS9100 Rev D Aerospace Manufacturers in Provo, UT
Flight hardware doesn't tolerate guesswork, and neither do the primes that buy it. AS9100 Rev D is the aerospace quality standard that turns a capable Provo machine shop into a supplier you can actually put on a defense bill of materials. Utah County's growing cluster of aerospace component makers and additive bureaus has pushed more local shops toward the certificate, but scope, special-process control, and traceability separate the genuinely qualified from the merely certified. Here's how a Provo aerospace buyer should evaluate them.
AS9100ISO 9001NADCAP
What AS9100 Rev D adds on top of ISO 9001 for Provo aerospace work
AS9100 Rev D is built on the full text of ISO 9001:2015, then layers roughly 100 additional aerospace-specific requirements on top. For a Provo buyer, the requirements that matter most in day-to-day sourcing are configuration management, risk management at the operational level, counterfeit-part prevention, foreign object debris (FOD) control, product safety, and first-article inspection. These are the clauses that exist because an aerospace part failure has consequences a commercial part failure never does.
The Silicon Slopes corridor's aerospace work skews toward precision machined structural and engine-adjacent components, plus a growing slice of metal additive manufacturing for brackets, manifolds, and lightweighted geometries. AS9100 governs how a shop controls revision changes on those parts so the configuration you approved is exactly the one that ships, no silent process drift between lots.
The counterfeit-part and FOD requirements deserve special attention for additive and machined hardware. Powder lot traceability on a laser powder bed fusion job and documented FOD sweeps on machined cavities are the kind of controls AS9100 forces a shop to demonstrate. When you tour a Provo aerospace supplier, these should be visible on the floor, not just described in a manual.
Reading the certificate scope before you assume coverage
An AS9100 certificate is registered in the OASIS database, the Online Aerospace Supplier Information System maintained by the IAQG. This is the authoritative source: pull the supplier's OASIS record and confirm the certificate is active, the certification body is accredited, and, above all, that the scope covers your work. OASIS is where a buyer catches the gap between what a shop advertises and what it was actually audited for.
Scope precision matters more in aerospace than almost anywhere. A Provo shop's AS9100 scope might read 'CNC machining of aluminum and titanium aerospace components' but exclude additive manufacturing, even if the shop also runs metal printers. If you're placing a printed part, you need the scope to say so, or the certificate doesn't cover your purchase. Same logic applies to assembly, testing, and any value-add operation.
Also verify the shop's quality clauses align with your prime's flow-downs. Aerospace POs carry quality requirements that cascade from the OEM down through every tier. A genuinely qualified Provo supplier will be fluent in accepting and flowing those down to its own subtier processors for plating, heat treat, and NDT. Ask to see how they manage that supplier chain, because under AS9100 they own it.
Special processes: where Provo shops lean on NADCAP subtiers
Most Provo machine shops, even AS9100-certified ones, do not perform their own heat treat, anodize, chemical processing, or nondestructive testing in-house. These special processes typically route to subtier suppliers, and for aerospace work those subtiers should hold NADCAP accreditation for the specific process. AS9100 requires the prime shop to control these subtiers, but the buyer should still confirm the chain.
This is the single most common place a Provo aerospace order gets exposed. The machining can be flawless and AS9100-clean, but if the titanium part went out for a heat treat cycle at a shop without NADCAP heat-treat accreditation, or the certs don't trace cleanly, the part may be rejected at the prime's receiving dock. Map the routing before you place the PO: which operations stay in Provo, which go to a Salt Lake or out-of-state processor, and what accreditation each holds.
Lead time lives here too. Subcontracted special processes add transit and queue time that a Provo shop may not fully control. If your program has a tight need date, ask the supplier to lay out the full routing schedule including outside-process turnaround, not just their internal machining hours.
Documentation a Provo aerospace buyer should require on every lot
First-article inspection per AS9102 is the cornerstone. Form 1 captures part and revision identification, Form 2 documents the materials and special processes with their certifications, and Form 3 records every characteristic from the drawing measured to the print's requirements. A complete FAI package, with bubbled drawings tying each measurement to a balloon number, is what proves the first part of a configuration was made correctly.
Beyond FAI, expect full material traceability by heat or lot, including raw bar or plate certs for machined work and powder lot certs with chemistry for additive parts. Special-process certs (heat treat, NDT, finishing) must trace to the accredited processor. A Certificate of Conformance ties the lot to the PO and revision, and any concessions or deviations should arrive with approved disposition paperwork, never as a silent ship.
Keep counterfeit-part and FOD records on your audit list as well. A mature Provo AS9100 shop can produce evidence of FOD program execution and counterfeit-mitigation sourcing controls on demand. If a supplier treats these as paperwork formalities rather than active controls, that's your signal to dig deeper before trusting them with flight hardware.
Frequently Asked Questions
The authoritative source is the OASIS database, the Online Aerospace Supplier Information System maintained by the International Aerospace Quality Group. Unlike a generic ISO certificate you might check in a registrar's directory, AS9100 certifications are tracked centrally in OASIS, which records the supplier's certificate status, the accredited certification body, audit dates, and the registered scope. Pull the Provo supplier's OASIS record and confirm three things: the certificate is active and not suspended or withdrawn, the certification body holds proper accreditation, and the scope statement actually covers the work you're placing. That third point catches the most expensive surprises, a shop's scope might cover CNC machining of titanium aerospace components but exclude metal additive manufacturing, so if you're buying a printed part the certificate may not apply. OASIS also lets you see the audit history, which gives you a sense of how stable the shop's quality system has been. For Utah County buyers, combining an OASIS check with an in-person site visit, easy given how tightly the corridor's shops cluster, is the strongest verification you can do before committing flight hardware to a supplier.
AS9100 Rev D contains the complete text of ISO 9001:2015 and then adds roughly 100 aerospace-specific requirements on top of it. The additions that matter most for Provo aerospace buyers are configuration management, which ensures the exact revision you approved is the one that ships; operational risk management; counterfeit-part prevention, critical when sourcing raw stock and electronic components; foreign object debris (FOD) control, which forces documented sweeps of machined cavities and assemblies; product safety requirements; and mandatory first-article inspection per AS9102. For the additive manufacturing work growing along the Silicon Slopes corridor, AS9100's configuration and traceability requirements govern powder lot control and process repeatability in ways generic 9001 never specifies. In short, ISO 9001 proves a shop has a functioning quality system; AS9100 proves that system is tuned to the failure-consequence reality of flight and defense hardware. A Provo prime placing structural or engine-adjacent components should treat AS9100 as a hard requirement, not an upgrade, and verify the scope covers their specific process, whether that's machining, additive, assembly, or testing.
Usually not. The majority of Provo machine shops, including AS9100-certified ones, subcontract special processes like heat treatment, anodizing, chemical processing, and nondestructive testing rather than performing them in-house. For aerospace work, those subtier processors should hold NADCAP accreditation for the specific process being performed. AS9100 requires the prime shop to control its special-process suppliers, but as the buyer you should still map and verify the full routing yourself, because this is the single most common place a Provo aerospace order runs into trouble. The machining can be flawless, but if a titanium part went out for heat treat at a shop without current NADCAP heat-treat accreditation, or the certifications don't trace cleanly to the lot, the prime's receiving inspection may reject it. Before placing the PO, ask the supplier to show exactly which operations stay in Provo, which route to a Salt Lake area or out-of-state processor, and what accreditation each subtier holds. This routing also drives lead time, since outside-process transit and queue add days the machine shop doesn't fully control.
A first-article inspection (FAI) is a complete, documented verification that the first production part of a given configuration meets every requirement on the drawing. AS9100 mandates it, and the industry-standard format is AS9102, which uses three forms: Form 1 identifies the part and revision, Form 2 records the materials and special processes along with their supporting certifications, and Form 3 lists every characteristic on the drawing measured against its specified value, tied to balloon numbers on a bubbled print. For a Provo aerospace buyer, the FAI is your proof that the supplier can actually produce the part as designed before you commit to a full production run, and it becomes the baseline reference if any later lot drifts. A new FAI or a delta FAI is required whenever the design changes, the process changes significantly, the supplier moves the work, or there's been a long production lapse. When you receive an FAI package, check that every characteristic is accounted for, that out-of-tolerance items carry approved dispositions, and that the material and special-process certs in Form 2 trace cleanly to accredited sources.
Yes, and several along the Silicon Slopes corridor are moving in that direction, but the certificate scope has to explicitly cover additive manufacturing for it to mean anything for your printed part. AS9100 applies the same configuration management, traceability, and risk-control discipline to metal additive that it applies to machining, but additive introduces process variables that the audit scope and the shop's process controls must specifically address: powder lot traceability and chemistry, build parameter control, machine qualification, post-build heat treat and HIP cycles, and inspection of internal geometries that conventional machining never produces. A Provo bureau printing aerospace brackets or manifolds should be able to show powder certs traced to each build, documented and frozen build parameters, and a defined post-processing routing, often including NADCAP-accredited heat treat and NDT subtiers. Verify in OASIS that the registered scope names additive or AM processes, not just machining, and during a site visit ask to see how they control powder reuse and document each build's full genealogy. If the scope is silent on additive, treat the part as uncovered regardless of what the shop's marketing claims.
Last updated: July 2026
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