Big twin

Boeing is developing new Triple Sevens with its 777X programme. Mark Broadbent looks at the features of the new variants

COMMERCIAL BOEING 777X

The 777-9 will be the largest twin-jet airliner ever built and it will be 10ft (3m) longer than the 777-300ER; four extra fuselage frames give it the extra length compared to the current-production model.
All photos Boeing

Four years after its formal launch in November 2013, the Boeing 777X programme is gathering pace. Basic engineering is approaching completion, the supply chain is gearing up, qualification testing is in progress and building work on the first aircraft is under way.

Terry Beezhold, 777X Vice-President and Chief Project Engineer, told AIR International: “This is an exciting phase. After several years developing and reducing risk for the flight test programme now we’re in the build phase.”

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