The MD-11 is a wide-body, three-engine jet airliner developed by McDonnell Douglas. It was introduced in the early 1990s and is known for its distinctive T-tail and advanced aerodynamic design. The aircraft can accommodate around 285 passengers in a typical two-class configuration and is often used for long-haul flights. The MD-11 is powered by three General Electric or Pratt & Whitney engines, which provide efficient performance and range. It has been utilized by various airlines and cargo operators, including FedEx and KLM, for both passenger and freight services, making it a versatile choice in the aviation industry.