Fuselage differing only in the detail of the cockpit framing from several other tandem two-seat Pawnee conversions. However the engine is not a Lycoming. It appears to be six-cylinder liquid cooled, with the radiator below the fuselage. In the FAA register the code is for an amateur built or experimental engine and may be a conversion of an auto engine. C/n probably a corruption of the Piper c/n. N10XK was cancelled in 2012.