Boeing Yellowstone Project

The project Yellowstone of the U.S. aircraft manufacturer Boeing aims to replace the existing product range complete their current civil aircraft by technologically advanced aircraft in the longer term. New technologies include an airframe made ​​of composite materials, the replacement of hydraulic systems by electronic systems, as well as fuel- favorable turbofan engines ( such as the Pratt & Whitney PW1000G engine, the General Electric GEnx, the CFM International LEAP56, and Rolls- Royce Trent 1000). The term "Yellow Stone ," refers generally to the process technology, whereas "Y1 " to " Y3 " may refer to the respective aircraft.

Yellowstone is divided into three separate projects:

• Boeing Y1 to replace the Boeing 737 product line. It should target the market for aircraft with 100 to 200 seats, and in the case of the introduction to the Bombardier CSeries, Embraer E-Jets family of aircraft, as well as the planned Airbus NSR compete family. Whether it is being developed as the second plane of the Yellowstone project, beginning in 2011 will be decided.
• The Boeing Y2 to the Boeing 767, as well as replace the 777-200. Originally Y2 relied on the Sonic Cruiser. Now 787 is built and designed to cover the market of aircraft with 220 to 320 passengers, which makes it compete with the Airbus A330, A340 and A350 family of the later.

• The Boeing 777-300 is to replace the Y3 and the 747 line and to supply the market with 300 to 500 passengers. Furthermore, it is assumed that it will be developed as the last plane of the Yellowstone project and in addition to the Airbus A380 against the greatest achievement of the expected 2015 A350 family, the A350 -1000, competes. Although the Boeing 747-8 may be considered as part of the Y3 program, these are, however, simply an improvement of the existing jumbos. In June 2010 it was reported that Emirates is a major operator of the Boeing 777 in talks about a new development as a replacement.