The Boeing 747-400 is a four-engine wide-body commercial passenger jet manufactured by Boeing's Commercial Airplane division. It is the fourth and final generation of the 747 family of aircraft. The 747-400 features a stretched upper deck and an updated cockpit design. It has a range of up to 8,000 nautical miles, accommodating 416 to 524 passengers, depending on the configuration. The 747-400 has been widely used for long-haul routes, serving as a key component of major airlines' fleets. With its iconic humped design and large size, the 747-400 is widely recognized and is considered a symbol of air travel.