A Global Aviation Appraisal And Valuation Service Company


PROVIDING AIRCRAFT APPRAISAL SERVICES TO INDIVIDUALS AND COMPANIES WORLDWIDE FOR NEARLY 30 YEARS

The Official Valuation Partner and Appraisal Company for AOPA

VREF Aircraft Value Reference, Appraisal & Litigation Consulting Services was founded in 1994 and is headquartered in Buffalo Grove, IL, with offices in 40 locations across the globe.

VREF provides aircraft and engine valuation through software subscription services (VREF Online) and published quarterly print digests, delivering valuation data on over 565 models. VREF is the largest aircraft-specific appraisal firm in the world, conducting over 2000 USPAP compliant appraisals annually and averaging 18,000 valuations a month.

VREF provides valuations, appraisals, and litigation consulting services to a worldwide clientele of aviation professionals, including law firms, banks, financial institutions, leasing companies, and manufacturers. Aircraft owners, aircraft operators and suppliers depend on VREF for accurate, unbiased data. VREF plays a crucial role in advising decision-makers within the aviation industry. VREF is the Official Valuation Guide and Appraisal partner for the AOPA.

Meet Our Experts

With over 200 years of combined experience, get to know the leadership team behind our aircraft appraisal and valuations services.

Jason Zilberbrand, ASA, CAA, ISA AM, AOA AM, MRAeSPresident & CTO

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Ken Dufour, ASA, MAM, ATP, CFICEO

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Leo V. Heidemann, ASASenior Aircraft Appraiser

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Dr. Andreas G. Grassl, ASAVREF Senior Appraiser (EUROPE)

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Neil Schiller, ASAVREF Australia

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