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波音767-400ER是美国波音公司研制的双发涡扇中远程宽体客机,在波音767-300ER基础上加长机身6.43m,(机翼前加长3.36m,机翼后加长3.07m),使座位数增加10%~15%。该机的特点是:加强了机翼结构,加厚了翼肋、梁和蒙皮,以增加最大起飞重量;按波音777更新了驾驶舱;翼展增加4.42m,采用大后掠角(比原前缘增加9°5’)翼尖,从而减少起飞距离,提高爬升率和降低油耗;内
The Boeing 767-400ER is a twin-turbofan long-range, wide-bodied passenger aircraft developed by the United States Boeing Co., which lengthens the fuselage by 6.43m on the basis of the Boeing 767-300ER (3.36m in front of the wings and 3.07m in the wings) Increase the number of seats 10% to 15%. The aircraft features: enhanced wing structure, thickened ribs, beams and skin, in order to increase the maximum takeoff weight; according to the Boeing 777 updated cockpit; wingspan increased 4.42m, using large sweep angle (than the original Edge increased by 9 ° 5 ’) wingtip, thus reducing the takeoff distance, increase the rate of climb and reduce fuel consumption; within