Second Boeing 777X Take Flight-Photo 1 Boeing [NYSE: BA] today conducted a productive and successful first flight of the second 777X airplane. Designated WH002, this airplane is the second of four in a dedicated flight test fleet and will test handling characteristics and other aspects of airplane performance. Shown here: WH002, the second 777X airplane, takes off from Everett, Wash., on April 30, 2020. 2020.05.01