Mini Boeing 747-400, United Airlines Airplane Model Toy. The Model plane includes desk stand. The -400 series is the highest selling model in the 747 family. The 747-400 is to be replaced by the Boeing 747-8 as the latest commercial model, which is in production as of 2009. The 747-400 was announced by Boeing Commercial Airplanes in October 1985. Compared to the 747-300 the 747-400 has 6 feet (1.8 m) wing tip extensions and 6 feet (1.8 m) winglets, and a glass cockpit which dispensed with the need for a flight engineer. The 747-400 also improved on the -300 with an additional fuel tank in the horizontal stabilizer, engines with improved fuel efficiency and higher thrust, an all-new interior, revised fuselage/wing fairings and newer in-flight entertainment. Like the 747-300, the passenger version of the 747-400 included the stretched upper deck (SUD) as a standard feature. The SUD was almost twice as long as the standard upper deck. It had previously been offered as a retrofit and first appeared on two Japanese 747-100 SR models. While the wingspan was increased, the overall weight of the wings was decreased due to the use of composites and aluminum alloys.
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