Originally Posted by loudgarrettdriver
Remeber this is called a PDP. A VPD is shown on the plate.
That's a good point, although I think the "correct" definition only matters during a type ride
TonyC's technique works for a charted or uncharted decent. It's so rare [for me] to actually fly a non-precision approach in the wx that I'd be doing the mental math charted or not!
Call it what you will, the important point is to have the aircraft in position that you can land (safely?) at the completion of the approach. Or so I'm told