AAR maintains one of the industry’s largest and most complete inventories of airframe and engine parts, stocking new and refurbished airframe parts for virtually every commercial aircraft and engine type. We are a leader in value-added parts services, including parts provisioning, just-in-time delivery, repair and exchange, on-site warehouse management, parts trading, consignment and lease-back programs, inventory management and logistics programs. The extensive in-house repair capabilities of our FAA-certified repair centers support our customers’ just-in-time initiatives, reducing program development time and speeding project completion.