#horizontal_tail  the horizontal stabilizer and elevator in the tail assembly of an aircraft
  supertype:  stabilizer.airfoil  airfoil consisting of a device for stabilizing an aircraft
  part of:  tail_assembly
  part:  elevator  the airfoil on the tailplane of an aircraft that makes it ascend or descend
  part:  horizontal_stabilizer__tailplane  the horizontal airfoil of an aircraft's tail assembly that is fixed and to which the elevator is hinged

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