F4L1A1P3E1R1O1N1S1
14 points
FLAPERONS is validvalid
FLAPERON, an airfoil that functions as a flap and an aileron [n]
FLAPERON, an airfoil that functions as a flap and an aileron [n]
FLAPERON, an airfoil that functions as a flap and an aileron [n]
FLAPERON, an airfoil that functions as a flap and an aileron [n]