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Airplane Factory SLING LSA
Pilot Operating Handbook
Page | 6-6
Date of Issue: 07 July 2014
Revision : 1.3
6.3
Determination of CG
Weight and balance report lists:
Empty CG check.
Forward CG check (example).
Rear CG check (example).
Blank CG form.
CG formulae:
CG =
Total moment arm
Total Weight
%MAC = (CG − 1366 mm) x
100
1 339 mm
%MAC = (CG − 4.482 ft) x
100
4.393 ft
The aircraft empty CG is determined in a conventional manner by weighing
the aircraft whilst it is standing level. (Refer to the aircraft maintenance
manual for instructions on aircraft leveling and weighing).
WARNING
For each flight the most forward CG (i.e. with take-off fuel) and the
most rearward CG (i.e. with landing fuel) must be calculated (to be
within aircraft CG range / limits).