AIRPLANE
OPERATIONS
MANUAL
WEIGHT AND BALANCE
145 140 135 LB
REVISION 31
1-06-30
Page
5
Code
02
INDEX INFLUENCE FOR EMB-135 MODELS
Item Arm
(in)
Reference
Weight (lb)
Index
Influence
Cargo / Baggage 750.00 1 + 0.014 IU/lb
Forward Galley (*) 190.55 1 - 0.019 IU/lb
Aft Galley (*) 216.54 1 - 0.017 IU/lb
Wardrobe (*) 216.54 1 - 0.017 IU/lb
Cockpit Observer 165.35 190 - 3.82 IU
Pax Cabin A (**) 330.71 190 - 2.01 IU/Pax
Pax Cabin B (**) 462.99 190 - 0.57 IU/Pax
Pax Cabin C (**) 593.70 190 + 0.86 IU/Pax
(*) The galley and wardrobe arms are for the option 1 configuration.
Check the airplane actual configuration arms in the AOM Loading
Section.
(**) For the purposes of this table, the passenger cabin was divided in
three sections. On a standard configuration (37 seats) airplane,
section A refers to rows 1 to 5, section B refers to rows 6 to 9 and
section C refers to rows 10 to 13.
Example: Computation of cargo index influence for the EMB-135.
The EMB-135 cargo compartment centroid is located 750
inches from the airplane datum.
The index influence per lb is:
()
IU/lb0.014
17400
5157501
I =
−×
=
So, for each lb of cargo loaded in the cargo compartment,
the index increases by 0.014 index units.
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