وصف: Operation of Airplane on Leaded or Unleaded Automotive Gasoline
Piper (PA-18, PA-18S, PA-18"105", PA-18S"105", PA-18A, PA-18"125", PA-18S"125", PA-18AS"125", PA-18"135", PA-18A"135", PA-18S"135", PA-18AS"135", PA-18"150", PA-18A"150", PA-18S"150", PA-18AS"150", PA-19, PA-19S (160 or 180 HP)
PA-18A, PA-18A"135", PA-18A"150", (160 or 180 HP) Restricted Category)