Any Loadsheet is the most accurate assessment of a situation that has so many built in inaccuracies (starting with the period between that last time the Aircraft was weighed accurately and the date the loadsheet was produced). I have always admired the Weights Engineers who work out the safe trim envelopes and trim datums that allow for the standard weights and the other variables which in day to day Aircraft Operation we take for granted.
Long ago and in another place my load Control proficiency exam involved starting with an aircraft with no seats and then working to the standard configuration specification adding these in to provide the aircraft prepared for service weight and trim datum, then going through the process of adding the various catering weights, fuel load/burn, crew and finally the commercial load.
Through the rose tinted view of memory good fun, but in writing this I now remember it was a real 'b*gg*r!
Automated systems rely on the Semi-permanent data being maintained accurately and assuming this is the case, then the automated system should produce a 'better result', but there still a reliance on human factors (Trim Plan being followed, etc).
Anyway I am now rambling
DIH
DIH