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Boeing 747-400

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The Boeing 747-400 is a major development and the best-selling model of the Boeing 747 family of jet airliners. While retaining the four-engine wide-body layout of its predecessors, the 747-400 embodies numerous technological and structural changes to produce a more efficient airframe. Its most distinguishing features versus preceding 747 models are 6-foot (1.83 meter) winglets mounted on 6-foot (1.83 meter) wing tip extensions, which are found on all 747-400s except for Japanese domestic market versions.

The 747-400 is equipped with a two-crew glass cockpit, which dispenses with the need for a flight engineer, along with more fuel-efficient engines, an optional fuel tank in the horizontal stabilizer, and revised fuselage/wing fairings. The aircraft also features an all-new interior with upgraded in-flight entertainment architecture. As on the 747-300, passenger variants include a stretched upper deck as standard. The model has a maximum capacity of 660 passengers with the 747-400D variant, and can fly non-stop for up to 7,670 nautical miles (14,205 kilometers) with maximum payload, depending on model.

Northwest Airlines first placed the 747-400 in commercial service in February 9, 1989. The 747-400 was produced in passenger (−400), freighter (−400F), combi (−400M), domestic (−400D), extended range passenger (−400ER) and extended range freighter (−400ERF) versions. The last 747−400, a -400ERF, was delivered in 2009. The 747-400 is the second-most recent version of the Boeing 747 family, having been superseded by the improved Boeing 747-8.

Users[edit]

  • Japan
    • Japan Air Self-Defense Force
  • Republic of Korea
    • Republic of Korea Air Force
  • United Arab Emirates
    • United Arab Emirates Air Force
  • United States
    • United States Air Force

See Also[edit]

Related Development[edit]

Comparable Aircraft[edit]

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