But yes, I understand your point... a true skeg is an extra "appendage."
Yes in fact I do have a full keel with an aperture and a cutaway forefoot. And now what I have come to understand is that I can't remove the prop unless I either pull the rudder or the shaft.
Pic below was taken at the survey haul out... you can clearly see the full keel and aperture... and a bit of the cutaway.