# Weight and balance…commerical

Asked by: **Aviatrix**
**4210** views
Commercial Pilot, General Aviation, Student Pilot

I understand how you calculate weight and balance...However, the calculations only tell you if the plane's CG is within normal limits and if the weight is acceptable.

As far as I know (and I've only calculated for C172's), you never calculate for how many people are on the right side of the plane vs. the left.

For instance, my plane COULD be in balance...but what if everyone was sitting to the left of the plane...or heavier people were all on the left side. It could techincally be in balance calculations wise...but the calculations do not take into account how far right or left the weight is.

From what I understand, the arms are the VERTICAL (not horizontal) distance from the datum.

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