Federal Rules: AIRWORTHINESS DIRECTIVES; THE NEW PIPER AIRCRAFT CORPORATION MODELS PA-23, PA-23-160, PA-23-250, PA-E23-250, PA-30, PA-39, PA-40, PA-31, PA-31-300, PA-31-325, PA-31-350, PA-34-200, PA-34-200T, PA-34-220T, PA-42, PA-42-720, PA-42-1000 AIRPLANES | U.S. GAO

AIRWORTHINESS DIRECTIVES; THE NEW PIPER AIRCRAFT CORPORATION MODELS PA-23, PA-23-160, PA-23-250, PA-E23-250, PA-30, PA-39, PA-40, PA-31, PA-31-300, PA-31-325, PA-31-350, PA-34-200, PA-34-200T, PA-34-220T, PA-42, PA-42-720, PA-42-1000 AIRPLANES