Pete
I guess the owner didn't update their paperwork with OKC
Jetprop LLC holds the STC, and Rocket Engineering does the conversions.
There are several Jetprop STCs depending on the sub-type PT-6A engine installed (w/ Hartzell prop).
PA46-400TP (amateur)
PA46-350TP (Type certified)
PA46-500TP (Type Certified)
PA46-500TP seems to be the most current conversion.
This is the type classification, most used in the FAA registry
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Jetprop DLX uses the PT6A-34 & PT6A-35 engines
Jetprop DL uses the PT6A-21 engine
Piper's oem built version, with a PT6A-42, named Malibu Meridian, is not an
aftermarket conversion, but also listed as PA46-500TP ?
If anyone has more info or correction, please post.
John