Assertion: naca airfoil | /r/HasProperty | airfoil shapes
Facets:
value: for aircraft wings
type: PURPOSE
Source sentences:
text: The NACA airfoils are airfoil shapes for aircraft wings developed by the National Advisory Committee for Aeronautics (NACA).
text: The NACA airfoils are airfoil shapes for aircraft wings developed by the National Advisory Committee for Aeronautics (NACA).