How many Robinson pilots calculate their expected hover MAP and maximum MAP before they go flying? How many lfit to the hover and don't check to see if the expected MAP is the same as their actual MAP and then wonder why there might be a difference.
In warmer climes it is surprising how many Robinsons are smited by landing earlier than the pilot had intended, almost always with the SWP buzzer, sorry, low RPM warning, screaming on the way down.
Without fail, it is attributed to an unexpected loss of power or VRS and never to power required exceeding power available.
The differences between these conditions should be painfully apparent to people operating piston-powered aircraft, with low power margins.