"Piper PA-18" . . "Piper PA-23-150" . . . . "Piper PA-23E-250" . . . . "UO" . "U-11 Aztec" . . . "Piper Aztec 28R-180" . . "twin engine PA-23 Apache" . "PA-23-250 Aztec" . . . . . . "Piper PA-23-180" . . . "Piper U-11A Aztec" . . "UO Aztec" . . . . "Piper 21 Apache" . . "Piper Aztecs" . . "Piper PA-23 Aztek" . "PA-23 Apache" . . "Piper PA-23-250 Aztec C" . . . . "Piper PA-23-160" . . "Piper PA23" . . "Piper Aztec" . . . "Piper PA-23" . . "Piper Aztec D" . "Piper PA-23 Aztec" . "PA-27 Aztec" . "Piper PA-23-250" . . . . . . . . "Aztec BPA-23" . . . . . "Piper Apache" . . . "Piper PA 23-350 Aztec" . . "1952" . . . "Piper PA-23" . . . "PA-23 Aztec" . "Piper PA-23 Turbo Aztec" . . "Piper PA-23-250D Aztec" . . . . . . . "Piper_PA-23#Variants" . . . . "Piper Aztec 23-350" . . "Piper PA-23 Apache" . . . "Piper PA-23-160 Apache E" . . "Piper PA23-250 Aztec" . "Piper PA-23 Aztec 250" . "1981" . "6976" . . "Piper PA-23-250 Aztec" . . . "Piper Aztec PA-23-250" . "Aztec C" . "Aztec" . . "Piper Apache PA-23-160" .