EXHIBIT 21.1

Subsidiaries of Spirit AeroSystems Holdings, Inc. — Delaware

Spirit AeroSystems, Inc. — Delaware
Spirit AeroSystems Finance, Inc. — Delaware

Subsidiaries of Spirit AeroSystems, Inc. — Delaware

Spirit AeroSystems International Holdings, Inc. — Delaware
Spirit AeroSystems Operations International, Inc. — Delaware
Spirit AeroSystems North Carolina, Inc. — North Carolina
Spirit Defense, Inc. — Delaware

Subsidiaries of Spirit AeroSystems International Holdings, Inc.

Spirit AeroSystems (Europe) Limited — United Kingdom
Spirit AeroSystems Malaysia Sdn Bhd — Malaysia
Spirit AeroSystems Singapore Pte. Ltd. — Singapore
Spirit AeroSystems Global Investments, CV — Netherlands
Spirit AeroSystems France SARL — France
Spirit AeroSystems Investco, LLC — Delaware