Head rise across fixed flow pumps is referenced to system g level...
A Caution message in AFT Fathom
Full message is:
"Head rise across fixed flow pumps is referenced to system g level. To obtain standard head rise, divide the displayed head rise by the g level."
If the user sets the gravity to something other than standard earth gravity in Analysis Setup on the Environmental Properties panel, then the head rise at a pump is referenced to that g level and not 1 g.