Boeing Yellowstone Project

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This article or section contains information about scheduled or expected .
It may contain information of a speculative nature and the content may change dramatically as the product release approaches and more information becomes available.

Passenger capacity of existing and future Boeing civil aircraft. (Click to enlarge)

Yellowstone is a Boeing Commercial Airplanes project to replace its entire civil aircraft portfolio with advanced technology aircraft. New technologies to be introduced include composite aerostructures, more electrical systems (reduction of hydraulic systems), and more fuel-efficient turbofan engines (such as the GEnx and Trent 1000). The term "Yellowstone" refers to the technologies, while "Y1" through "Y3" refer to the actual aircraft.

Yellowstone is divided into three projects:

Y1, to replace the 717, 737, and 757-200 product lines. Y1 will cover the 100 to 200-passenger space.
Y2, to replace the 757-300 and 767 product lines. It may also replace the 777-200. Y2, which initially referred to the Sonic Cruiser is now in development as the 787. Y2 will cover the 200 to 300-passenger space.
Y3, to replace the 777-300 and 747 product lines. Y3 will cover 300 passengers and beyond.

External links

[March 2001 Newsletter], Richard Aboulafia, March, 2001.
"[It's Boeing's Time For Something New]", Aviation Week & Space Technology, April 2, 2001.
"[Future Airliners]," aerospaceweb.org, January 5, 2003.
"[Boeing 'Super Efficient' Airliner]," Flug Revue, 2003.
"[Boeing 7E7]," Flug Revue, 2003.
"[Not if... but when]," Flight International, July 6, 2005.
"[History & Development of the Boeing 737]," www.b737.org.uk, October 23, 2005.

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