I am about tired of the so called professionals continually engaging in this pissing contest about VRS versus the problem of running out of Nr when power available has topped out, and who calls it what.
Lonewolf - you acknowledge there is a difference between VRS and running out of power - the problem is what to call it.
In Canada and UK there isn't a problem - we refer to the latter as SWP since it perfectly describes the phenomenon.
Those taught in the US don't seem to want to break away from the erroneous use of SWP to describe VRS.
Yes, I know SWP isn't defined anywhere (other than being used as a synonynm for VRS) but VRS doesn't need another name, especially when there are similar situations - with different causes - that can cause problems at low speed.
I'm not trying to piss on anyone - just trying to highlight the difference, especially since SWP (or running out of power if you prefer) is far more common than VRS.
The acid test is that you can get VRS without SWP (no Nr decay) even though SWP can lead to VRS if no adequate recovery is initiated - maybe that is where the confusion for the US Mil arose.