9 To ensure that the unmanned aircraft center of gravity (CG) limits are not exceeded, follow the aircraft loading instructions specified in the
C. Aircraft Weight and Balance Handbook.
FAA-H-8083-1 (Weight and Balance Handbook) really exists and it goes into tremendous detail about weight and balance, how to determine if your aircraft is in the safe envelope. If you design and build your own fixed-wing UAS, you must read this handbook. But it contains general data only - no aircraft-specific loading data is found inside.
This is not the correct answer.