Boeing began flying the third 777X flight test airplane this week. Captains Charles “Stu” Farmer and Mark Brown, flight analyst Elmo Valdez and systems operator Zach Lewis left Everett’s Paine Field for a two-hour, forty-seven-minute flight over Washington state before landing at Seattle’s Boeing Field, the home of Boeing’s test operations.
Boeing is executing a robust test plan for the 777X, a comprehensive series of tests and conditions on the ground and in the air to demonstrate the safety and reliability of the design. This airplane, known as WH003, is the third of four in the dedicated flight test fleet and will test propulsion performance.
The 777-8 and 777-9 are based on the 777, the most successful twin-aisle airplane ever, and feature advanced technologies and passenger experience features from the 787 Dreamliner. The 777-9 is designed to be the largest and most fuel-efficient twin-engine jet in the world. To build them, Boeing invested more than $1 billion to construct the Composite Wing Center in Everett to manufacture components for the largest and most advanced commercial airplane wing the company has ever built.