EVERETT, WA—Boeing recently announced that the major fuselage sections of the first 777X test aircraft have been joined together. This assembly milestone, called the final body join, occurs when the airplane’s nose, mid and aft sections are connected.
The first 777X introduced will be the 777-9 model, which can seat 400 to 425 passengers in a standard configuration and offer a range of 7,600 nautical miles. Its first flight is scheduled for 2019, with the plane expected to enter service in 2020,. A smaller variant, the 777-8, is set to follow a few years later.