wrote:

Well, aside from his not knowing how a turbine engine works, the report
seemed pretty factual and devoid of speculation or exaggeration.

"engine made a sputtering sound"

http://162.58.35.241/acdatabase/NNum...NNumbertxt=7up
N7UP
Engine Manufacturer LYCOMING
Classification Standard
Engine Model IO-720

The original Aero Commander was piston, several models were piston, some
were built with turboprops, some were upgraded to turboprops, however
this 1964 680FL doesn't appear to be...