The new 767-400ER (extended range) airplane stretches to its full, 170-footwingspan thanks to recently installed wingtip extensions. The airplane isin final assembly in the Everett, Wash., factory. Electrical power in theairplane has been turned on for the first time in preparation to runfunctional tests, raise and lower the landing gear and operate the flightsurfaces on the wing, rudder and horizontal stabilizer.