Aerontii, LLC
- Otsego, Minnesota
- Solo Practice
- Expert Witness
- AM · Verify
About
Aerontii, LLC is based in Otsego, Minnesota and provides appraisal services for aircraft parts and equipment. Stephanie Carpentier holds the AM designation from ASA and specializes in complex inventory valuations and market analysis for aerospace and defense sectors.
Services & Specializations
Aerontii, LLC appraises aircraft parts, engines, landing gear, avionics, APUs, subcomponents, and related equipment. The firm conducts inventory valuations, complex appraisals, and inventory planning services for aerospace and defense customers.
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Full Bio
Stephanie Carpentier is Managing Partner of Aerontii, LLC, a consulting firm specializing in aircraft parts and equipment appraisals. She holds the AM designation from ASA and is a Certified Senior Appraiser with expertise in aircraft parts management, data analytics, market trends, and valuations. Carpentier began her career with a professional pilot degree and has spent most of her career in aircraft parts management, aftermarket sales, procurement, and aircraft disassembly. She has developed proven methodologies for complex inventory valuations and provides high-level analytics for executive decision-making in the aerospace and defense sectors.
Notable Engagements
Serves airlines, original equipment manufacturers, maintenance repair and overhaul providers, and aftermarket suppliers in the aerospace and defense sectors.
Credentials & Verification
Credentials held by Stephanie Carpentier, each independently verifiable:
- VerifyAMIssued by American Society of Appraisers

