FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 10. Weight and Balance | 2. Weighing Procedures | 10-20. Equipment Change
9/8/98
AC 43.13-1B
FIGURE 10-15. Effects of the addition of equipment items on balance.
Moment computations for typical equipment
changes are given in figure 10-16 and are also
included in the sample weight and balance
sheet in figure 10-18.
in figures 10-10 and 10-11 for the extreme
load conditions and figure 10-16 for equip
ment change, and represents suggested means
of recording this information.
10-21. SAMPLE WEIGHT AND BAL-
ANCE REPORT. Suggested methods of
tabulating the various data and computations
for determining the c.g., both in the empty
weight condition and the fully loaded condi
tion, are given in figures 10-17 and 10-18, re
spectively, and represent a suggested means of
recording this information. The data presented
in figure 10-17 have previously been computed
10-22. INSTALLATION OF BALLAST.
Ballast is sometimes permanently installed for
c.g. balance purposes as a result of installation
or removal of equipment items and is not used
to correct a nose-up or nose-down tendency of
an aircraft. It is usually located as far aft or as
far forward as possible in order to bring the
Par 10-20
Page 10-19