You'll find as well if you look at the aircrafts construction number (located lower fuselage beneath the fin) the larger engined models actually start "27-YY*****" (YY being the year of manufacture) following Pipers practice of model number being the first two digits.
To me it's an Aztec (an 'F' version in the case of the one I fly) - but it's a PA27 on the flight plan