Boeing to Buy Spirit AeroSystems for $4.7 Billion. Stock Fallout. Barron’sBoeing agrees to buy fuselage maker Spirit AeroSystems in $4.7 billion deal CNBCBoeing, Airbus to take over Spirit AeroSystems under $4.7 billion deal USA TODAYBoeing Agrees to Buy Spirit AeroSystems, a Longtime Supplier The New York TimesBoeing reacquires troubled supplier Spirit, spun off in 2005 The Register