The McDonnell Douglas MD-11 is a wide-body, three-engine jet airliner that was first introduced in 1990. It was designed for long-haul flights and can accommodate up to 285 passengers in a typical two-class configuration. The aircraft features advanced aerodynamics and a modern cockpit, making it more fuel-efficient compared to its predecessors. The MD-11 was developed as an upgrade to the earlier McDonnell Douglas DC-10 and has been used by various airlines around the world. Although production ended in 2000, the MD-11 remains in service with cargo operators and some passenger airlines, showcasing its versatility and reliability.