Compressor Stall
You are missing my point, which is to reduce speculation rather than inform it.
Firstly I was commenting on the speculation that being a small prop this would be, in general, difficult to fly on one. That is not the case. While not as capable as a jet it is capable of perf A operation. A jet can have the same problems if being operated privately outside perf A standards, so the prop is not really relevant.
Note that in the incident you mention "and the aircraft was not configured to minimise drag". I did mention configuration.