25 Facts About Boeing 747

Boeing 747 is a large, long-range wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States.

The Boeing 747 was the first airplane dubbed "Jumbo Jet", the first wide-body airliner.

The Boeing 747 is the basis for several government and military variants, such as the VC-25, E-4 Emergency Airborne Command Post, Shuttle Carrier Aircraft, and some experimental testbeds such as the YAL-1 and SOFIA airborne observatory.

All of the companies solved this problem by moving the cockpit above the cargo area; Douglas had a small "pod" just forward and above the wing, Lockheed used a long "spine" running the length of the aircraft with the wing spar passing through it, while Boeing 747 blended the two, with a longer pod that ran from just behind the nose to just behind the wing.

Boeing 747 was conceived while air travel was increasing in the 1960s.

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Ultimately, the high-winged CX-HLS Boeing design was not used for the 747, although technologies developed for their bid had an influence.

Boeing 747 considered locations in about 50 cities, and eventually decided to build the new plant some 30 miles north of Seattle on a site adjoining a military base at Paine Field near Everett, Washington.

The Boeing 747 was found to be largely immune to "Dutch roll", a phenomenon that had been a major hazard to the early swept-wing jets.

However, these difficulties did not prevent Boeing 747 from taking a test aircraft to the 28th Paris Air Show in mid-1969, where it was displayed to the public for the first time.

The Boeing 747 received its FAA airworthiness certificate in December 1969, clearing it for introduction into service.

Boeing 747 enjoyed a fairly smooth introduction into service, overcoming concerns that some airports would not be able to accommodate an aircraft that large.

Boeing estimated that half of the early 747 sales were to airlines desiring the aircraft's long range rather than its payload capacity.

In 2000, Boeing offered the more modest 747X and 747X stretch derivatives as alternatives to the Airbus A3XX.

However, in early 2004, Boeing announced tentative plans for the 747 Advanced that were eventually adopted.

The Boeing 747 remained the largest passenger airliner in service until the Airbus A380 began airline service in 2007.

Boeing 747 is a large, wide-body airliner with four wing-mounted engines.

Boeing 747 has redundant structures along with four redundant hydraulic systems and four main landing gears each with four wheels; these provide a good spread of support on the ground and safety in case of tire blow-outs.

The Boeing 747 has split control surfaces and was designed with sophisticated triple-slotted flaps that minimize landing speeds and allow the Boeing 747 to use standard-length runways.

Later, as airlines began to use the upper deck for premium passenger seating instead of lounge space, Boeing 747 offered an upper deck with ten windows on either side as an option.

In 1987, Boeing re-opened the 747SP production line after five years to build one last 747SP for an order by the United Arab Emirates government.

The -200 was the first Boeing 747 to provide a choice of powerplant from the three major engine manufacturers.

In March 2007, Boeing 747 announced that it had no plans to produce further passenger versions of the -400.

Boeing 747 was not able to attract enough interest to launch the aircraft.

Young -400s are sold for 320 million yuan and Boeing 747 stopped converting freighters, which used to cost nearly $30 million.

Wings of a Boeing 747 have been recycled as roofs of a house in Malibu, California.

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