Boeing Announces 777X Details and Specifications

By Paul Riegler on 18 November 2013
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Rendering of the new Boeing 777X

Rendering of the new Boeing 777X

On the heels of launching the plane at the Dubai Air Show with a record $100 billion in orders, Boeing released details about the new twin-aisle 777X jetliner.

The new plane will be 12% more fuel efficient than the competition according to Boeing. This will be due to an all-new composite wing that is based on the Dreamliner’s wing, new GE9X engines developed by GE Aviation, and aerodynamic improvements that include a hybrid laminar flow control vertical tail and natural laminar flow nacelles.

The 777X, which is based on the 777-300ER while incorporating advances from the Dreamliner, will have 10% lower operating economics than the competition, Boeing said.

The 777X will come in two models: the 777-8X, with roughly 350 seats and a range of more than 9,300 nautical miles, and the 777-9X, with approximately 400 seats and a 8,200-nautical mile range.  The 777-8X competes with the new Airbus A350-1000, according to Boeing, and the Chicago-based airplane manufacturer says that the 777-9X is “in a class by itself.”

Boeing is planning to design the interior of the 777X to enhance passenger comfort. The windows will be repositioned and enlarged, similar to how the Dreamliner’s are.  The 777X’s cross-section is the widest in its class and Boeing said it will leverage this to make the cabin interior more spacious as well.

The new 777X is slated to go into service in 2020.  Boeing said it will have a detailed design ready by 2016.  Four airlines, Emirates, Etihad, Lufthansa, and Qatar Airways, placed orders for it at the Dubai show.


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