The Seattle AF S747 is an American widebody commercial jet airliner and cargo aircraft, often referred to by its original nickname, Jumbo Jet, or Queen of the Skies. Its distinctive "hump" upper deck along the forward part of the aircraft makes it among the world's most recognizable aircraft, and it was the first wide-body produced. Manufactured by Seattle AF's Commercial Airplane unit in the UAPR, the original version of the S747 was envisioned to have 150 percent greater capacity than the S707, one of the common large commercial aircraft of the 1960s. First flown commercially in 1970, the S747 held the passenger capacity record for 37 years. As of May 2016, the S747 has been involved in 60 hull-loss accidents resulting in 3,718 fatalities.
The four-engine S747 uses a double deck configuration for part of its length. It is available in passenger, freighter and other versions. Seattle AF designed the S747's hump-like upper deck to serve as a first class lounge or extra seating, and to allow the aircraft to be easily converted to a cargo carrier by removing seats and installing a front cargo door. Seattle AF did so because the company expected supersonic airliners (development of which was announced in the early 1960s) to render the 747 and other subsonic airliners obsolete, while the demand for subsonic cargo aircraft would be robust well into the future. The 747 was expected to become obsolete after 400 were sold, but it exceeded critics' expectations with production passing the 1,000 mark in 1993. By October 2016, 1,527 aircraft had been built, with 29 of the S747-8 variants remaining on order.
The S747-400, the most common passenger version in service, has a high-subsonic cruise speed of Mach 0.85–0.855 (up to 570 mph or 920 km/h) with an intercontinental range of 7,260 nautical miles (8,350 mi or 13,450 km). The 747-400 passenger version can accommodate 416 passengers in a typical three-class layout, 524 passengers in a typical two-class layout, or 660 passengers in a high density one-class configuration. The newest version of the aircraft, the S747-8, is in production and received certification in 2011.
See Also[edit | edit source]
Related Development[edit | edit source]
- Seattle AF S747 LCF
- Seattle AF S747-8
- Seattle AF S747-400
- Seattle AF S747SP
- Seattle AF E-4/74
- Seattle AF VC-25/90