Spirit AeroSystems Holdings, based in Wichita, Kansas, United States, is the world's largest first-tier aerostructures manufacturer. The company builds several important pieces of Boeing aircraft, including the fuselage of the 737, portions of the 787 fuselage, and the cockpit section of the fuselage (referred to as "Section 41" by Boeing) of nearly all of its airliners. Spirit also produces fuselage sections and front wing spars for the Airbus A350. Spirit's main competition comes from Triumph Aerostructures - Vought Aircraft Division, Collins Aerospace, Leonardo, and Kawasaki Heavy Industries. More information...
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