Pilot’s Operating Handbook Section 6
EXTRA 500 Weight and Balance and Equipment List
14 Enter the scale reading, scale error and tare from all three scales
in the columns in the Aircraft As Weighed Table of Figure 6-1.
Compute and enter values for the Net Weight and Aircraft Total
As Weighed columns.
15 Determine the CG arm of the aircraft after entering the correct
values to the formula in Figure 6-1.
16 Enter the net weight and CG arm in the Basic Weight and
Center of Gravity table columns. Subtract the values for
usable fuel, if aircraft could not be defueled prior weighing,
add the value of drainable unusable fuel (28 liters
(7.4 U.S. Gallons)), if fuel system has been completely drained
and for additional equipment, if applicable. Multiply the weight
entries times the CG arm entries to determine moment entries.
Total the weight and the moment columns to determine the
basic empty weight and moment. For determining the CG arm
divide the resulting moment value by the basic empty weight.
Note Make an attempt to verify the results of each weighing,
when data for comparison are available.
17 Enter basic empty weight, CG arm and moment in the Weight
and Balance Record (see Figure 6 2).
6.3 Weight and Balance Record
The Weight and Balance Record, see Figure 6-2, provides a
record to reflect the continuous history of changes in aircraft
structure and/or equipment which will affect the weight and
balance of the aircraft. Changes to the structure and equipment
shall be entered on the Weight and Balance Record when any
modifications are made to the aircraft.
Important It is the responsibility of the aircrafts owner to assure this
record is up to date, as all loadings will be based on the
latest entry.
26. January 2011 6-5
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