September 3, 2014

Mid fuselage/center wing and aileron section of C919 aircraft delivered by XAC

Mid fuselage fuselage/center wing and aileron section of C919 aircraft passed airworthiness inspection at AVIC Xi’an Aircraft Industry (Group) (XAC) and was ready for delivery on August 29th, 2014. This is the second section delivered during the development of the C919 program, laying a solid foundation for airframe butt joint of the first C919 aircraft in the second half of this year. The mid fuselage/center wing and aileron section is in the middle part of the fuselage with an overall length of 5.99 m and a width of 3.96 m, and composed of a mid fuselage barrel section, a keel beam, center wings and emergency exit doors. This section is the center for the load transfer of the whole aircraft structure. This section comprises more than 8200 parts and involves more than 3400 toolings. In order to improve the performance of the whole aircraft and reduce structural weight, third generation aluminium-lithium alloy, 2024HDT aluminium alloy with high damage tolerance, and ultra-large titanium alloy forgings are widely used in the mid fuselage/center wing and aileron section, which is the first application on civil aircraft in China.



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