Comac plans to build the center wing box of its 156-seat C919 narrowbody airliner of carbon fiber composite, but will stick to aluminum for the outer wing to limit technical risk. The manufacturer aims to develop a completely composite wing for later versions of the aircraft, says an industry source closely involved in the project. The company’s other project, the ARJ21, is suffering more serious delays. Comac Financial Controller Tian Min says the ARJ21 is now due to enter ...


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