OakTree Aviation Services understands personal aviation solutions as an owner, operator, and user, which gives us a unique opportunity to combine over 30 years of expertise and experience to secure the most favorable acquisition or sale terms for you as well as fast, accurate and certified turbine and piston engine aircraft appraisals. OTAS specializes in Creditable, first class Customer service and support, with professional expertise in the areas of aviation consulting through Customer representation, aircraft market research, insurance & financing expertise, aircraft sales, brokerage and acquisition services, as well as experienced certified aircraft appraisals, including the highly coveted USPAP compliant aircraft appraisal, management & aircraft crewing resources.