C3O1N1V4E1R1T1A1P3L1A1N1E1S1
21 points
CONVERTAPLANES is validvalid
CONVERTAPLANE,
CONVERTAPLANE, an aircraft that can land and take off vertically by temporarily directing its propulsive thrust downwards, also CONVERTIPLANE, CONVERTOPLANE
CONVERTAPLANE,
CONVERTAPLANE, an aircraft that can land and take off vertically by temporarily directing its propulsive thrust downwards, also CONVERTIPLANE, CONVERTOPLANE