AD 57-21-01

Airworthiness Directives; Piper Aircraft, Inc. Airplanes

Unsafe Condition: Doors

Airworthiness Directives; The New Piper Aircraft, Inc. PA-23, PA-30, PA-31, PA-34, PA-39, PA-40, and PA-42 Series Airplanes

Unsafe Condition: AFM - Limitations Section - Icing

Airworthiness Directives; The New Piper Aircraft, Inc. PA-23, PA-24, PA-28, PA-32, and PA-34 Series Airplanes

Unsafe Condition: Induction Air Filter

Airworthiness Directives; The New Piper Aircraft, Inc. Models PA-23-235, PA-23-250, and PA-E23-250 Airplanes

Unsafe Condition: Fuel Weight Limitations