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The Boeing 747 is a long-range wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023. After the introduction of the 707 in October 1958, Pan Am wanted a jet 2 + 1 ⁄ 2 times its size, to reduce its seat cost by 30%.
N747GE is a Boeing 747 aircraft that was used by General Electric Aircraft Engines (now known as GE Aerospace) as a testbed for several of the companies jet engines between 1992 and 2017, including the GE90 for the Boeing 777, at the time, the world’s largest jet engine.
SX-OAA, named Olympic Zeus, was an Olympic Boeing 747-200. [1] [3] The 747-200 model featured more powerful engines and a higher maximum takeoff weight (MTOW) than the previous 747-100 model. [10] One of the principal technologies that enabled an aircraft as large as the 747 to takeoff was the high-bypass turbofan engine. [11]
The landing gear represents 2.5 to 5% of the maximum takeoff weight (MTOW) and 1.5 to 1.75% of the aircraft cost, but 20% of the airframe direct maintenance cost. A suitably-designed wheel can support 30 t (66,000 lb), tolerate a ground speed of 300 km/h and roll a distance of 500,000 km (310,000 mi) ; it has a 20,000 hours time between overhaul and a 60,000 hours or 20 year life time.
It was the last 747 Pan Am had left when it departed John F. Kennedy International Airport on May 12, 1992. [9] It was leased to Argentinean airline Aeroposta and briefly later to Kabo Air in 1993. [ 10 ] [ 11 ] The aircraft would be grounded in 1997 and used as a source of spare parts, due to her airframe approaching the need for a major D ...
On August 4, 1983, Pan Am Flight 73, a 747-100, struck a VASI light installation and its concrete base landing at Karachi International Airport, causing the nose gear to collapse backwards and to the left, resulting in total destruction of the VASI light installation and damage to the forward cargo hold, floor of the first class section, and ...
The Lockheed C-5 Galaxy was considered for the shuttle-carrier role by NASA but rejected in favor of the 747. This was due to the 747's low-wing design in comparison to the C-5's high-wing design, and also because the U.S. Air Force would have retained ownership of the C-5, while NASA could own the 747s outright.
Modern San Francisco airport diagram showing runway layout (in 1971 runway 28R was more than 2,000 feet (610 m) shorter) [5] Flight 845's crew had planned and calculated its takeoff for runway 28L but discovered only after pushback that this runway had been closed hours earlier for maintenance, [6] and that the first 1,000 feet (300 m) of runway 01R, the preferential runway at that time, [a ...