Most aerospace suppliers do not think about AS9100 certification requirements until an OEM or prime contractor sends a qualification deadline that changes everything.
By then, the supplier is racing the clock while still trying to understand what the standard actually demands.
This article explains what the standard actually requires, what OEMs look for when qualifying a new supplier, and how to move through the process without losing the contract to a missed deadline.
Meeting these certification requirements on time is possible, but only when you know which parts of the process actually determine your timeline and cost.
What AS9100 Certification Requirements Actually Involve for OEM Supplier Qualification
These requirements build directly on ISO 9001, then add more than 100 additional clauses specific to aviation, space, and defense work.
NASA's own supply chain policy confirms how seriously this standard is treated at the OEM and government level:
“Suppliers of procured critical hardware systems are expected to comply with AS9100D, and third-party certification to the standard is preferred over simple self-declared compliance, according to NASA NPR 8735.2C, Chapter 5.”
“The FAA takes a similar position, listing AS9100-family standards among its accepted quality system frameworks for aerospace distributors in FAA Advisory Circular AC 00-56.”
These added clauses exist for a reason. Aerospace parts carry safety and traceability risks that a standard ISO 9001 system was never built to track. Configuration management, risk management, and first article inspection are not extra paperwork.
They exist because a single undocumented part change can ground an aircraft or delay a launch.
AS9100 is an industry-developed standard maintained by SAE International and the IAQG, not a government regulation, but the NASA and FAA references above show why government and OEM buyers treat it as a baseline requirement rather than an optional extra.
Core AS9100 Requirements Beyond ISO 9001
Configuration management, risk management, product safety, first article inspection, and counterfeit parts prevention sit on top of the ISO 9001 quality management foundation.
What Suppliers Get Wrong When Racing an OEM Deadline
Many suppliers start the gap analysis after the OEM deadline is already set, instead of before, which leaves no buffer if a nonconformity surfaces during the Stage 2 audit. A nonconformity found late in the process often means a second visit, and a second visit means more time you do not have.
What to Look for in an AS9100 Certification Body When You're on an OEM Deadline
Not every certification body treats speed and cost the same way, and that difference matters most when a deadline is already on the table.
Accreditation: OEMs Actually Recognize
An OEM checks whether your certificate came from a body accredited for aerospace scope and listed in the IAQG's OASIS system, since this is what confirms your certification is legitimate and recognized industry-wide, as outlined in the IAQG Certification and OASIS Program.
Certification Timeline and Fixed Cost When An OEM Deadline Is Already Set
Many certification bodies quote a broad range, often six to twelve months, and price the audit only after reviewing your facility size and employee count. Few state a firm timeline or a fixed price upfront, which leaves a supplier facing an OEM deadline with no reliable number to plan around.
This gap between a general estimate and a committed number is exactly where suppliers lose the most time.
Virtual-First Audit Delivery and What It Changes
A virtual-first audit removes travel scheduling from the critical path, which often shortens the gap between your Stage 1 and Stage 2 audits. It also reduces the cost of the audit itself, since neither your team nor the auditor needs to budget for travel days.
Your decision here should come down to one question: does this certification body commit to a number or only an estimate? A supplier with a fixed deadline cannot plan around an estimate.
How KSQA Approaches AS9100 Certification for OEM Supplier Qualification
K&S Quality Assessments LLC (KSQA) issues AS9100 certificates within two to three days of a successful audit, at a fixed price agreed before the audit begins, which gives suppliers a real number to plan an OEM deadline around instead of an open-ended estimate.
KSQA's process follows four stages:
A gap analysis that reviews your existing practices before the audit begins.
A Stage 1 audit that reviews your QMS documentation virtually.
A Stage 2 audit that assesses how the system actually operates.
A certification decision is issued within two to three days of a successful Stage 2 result.
Surveillance audits follow within 12 months of certification, with a second surveillance audit before the three-year recertification cycle.
The KSQA Process
Gap analysis, Stage 1 documentation review, Stage 2 implementation audit, and a certification decision, all delivered virtually by default with in-person audits available where needed.
IAS Management Systems Certification Body: MSCB-207 and IAS Aerospace Standard Accreditation: ASA-101
KSQA holds both credentials through the International Accreditation Service and is a member of the IAF Multilateral Recognition Arrangement and the IAQG.
MSCB-207 covers management systems certification, and ASA-101 covers aerospace standard certification specifically; together they support the recognition an OEM checks for during supplier qualification.
KSQA has more than 20 years of experience and has completed hundreds of successful certifications, which reflects an established track record rather than a newly formed certification body.
A fixed price also means you are not guessing at your budget while you wait on an OEM decision. You know the number before the audit starts, and that number does not move afterward.
Frequently Asked Questions (FAQs)
Q1. How long does AS9100 certification take for a new OEM supplier?
Once your Stage 2 audit is complete and successful, KSQA issues the certificate within two to three days. The full process, from gap analysis through Stage 1 and Stage 2 depends on how ready your quality management system is when the audit begins.
Q2. Does AS9100 certification cost a fixed price?
With KSQA, yes. You receive a fixed price before the audit begins, with no additional fees added afterward, which is different from certification bodies that quote a range based on facility size after the fact.
Q3. What is the difference between ISO 9001 and AS9100 for aerospace suppliers?
AS9100 includes the full ISO 9001 quality management system and adds aerospace-specific requirements such as configuration management, risk management, and first article inspection, which OEMs require specifically for aviation, space, and defense work.
Q4. Can KSQA certify a supplier virtually anywhere in the U.S.?
Yes. KSQA delivers Stage 1 and Stage 2 audits virtually by default across the entire United States, with in-person audits available for suppliers who need them.
Get Your Supplier Qualification Back on Schedule
An OEM deadline does not leave room for a certification body that cannot commit to a timeline or a price.
Knowing which AS9100 certification requirements apply to your facility, and choosing a body that certifies against a fixed price and a real turnaround window, is what keeps your supplier qualification on track.
Every day spent waiting on an open-ended estimate is a day closer to a deadline you cannot move.
A fixed price and a two- to three-day certificate turnaround give you a plan you can actually commit to; instead of a range, you have to hope it holds true.
Request Your Fixed-Price AS9100 Quote with KSQA today!
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