Howdy,
AC559220 and AC559221 N8280K Nakajima A6M2 Model 21
AC60619 N5140K Navion A There is a identical photo of this Navion in the data base already.
AC420225 F-BOOV Piper L-18C cn 18-1594 Our database shows this aircraft as a Piper PA-19. Upon research, only the first three aircraft had this designation and the rest of this series were called Piper L-18C aircraft including this aircraft.
Mark P