U.S. express carrier FedEx operates the world’s largest fleet of McDonnell Douglas DC-10 and MD-11 aircraft. In total, 104 DC-10s and 74 MD-11s have served in the fleet. All of the DC-10s (DC-10-10s, DC-10-30s and MD-10 conversions) are powered by GE CF6 engines. The MD-11 fleet features aircraft with both GE and Pratt & Whitney engines. This set will allow you to model either ONE DC-10 or ONE MD11.