AIRPLANE
OPERATIONS
MANUAL
WEIGHT AND
BALANCE
REVISION 29
1-06-40
Page
5
Code
03
The seating allowance applied to the CG envelope is the sum of the
largest moment variation of each cabin zone. The moment variation is
defined by the difference between the actual pax distribution moment
and the moment of the same amount of passengers concentrated in
the centroid of the cabin zone considered.
NOTE: Seating allowance does not need to be considered if
passenger index influence is calculated by seat row, i.e., if the
individual moment variation for each passenger is considered.
Seat Row Trim is normally used on computerized weight and
balance systems, like Departure Control Systems (DCS).
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