AIRPLANE
OPERATIONS
MANUAL
WEIGHT AND BALANCE
145 140 135 LB
REVISION 31
1-06-30
Page
3
Code
02
The following tables show the index influence for various items:
INDEX INFLUENCE FOR EMB-145 MODELS
Item Arm
(in)
Reference
Weight (lb)
Index
Influence
Cargo / Baggage 889.76 1 + 0.017 IU/lb
Forward Galley (*) 218.50 1 - 0.021 IU/lb
Aft Galley (*) 267.72 1 - 0.018 IU/lb
Wardrobe (*) 196.85 1 - 0.023 IU/lb
RH Fwd Stowage Compt. 218.50 1 - 0.021 IU/lb
LH Fwd Stowage Compt. 210.63 1 - 0.022 IU/lb
Emerg. Equip. Stowage Unit 210.63 1 - 0.022 IU/lb
RH Aft Stowage Compt. 728.40 1 - 0.008 IU/lb
LH Aft Stowage Compt. 728.40 1 - 0.008 IU/lb
2nd Flight Attendant 782.68 180 + 1.99 IU
Cockpit Observer 165.35 190 - 4.64 IU
Pax Cabin A (**) 338.98 190 - 2.74 IU/Pax
Pax Cabin B (**) 508.66 190 - 0.89 IU/Pax
Pax Cabin C (**) 702.36 190 + 1.23 IU/Pax
(*) The galley and wardrobe arms are for the standard 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 (50 seats) airplane,
section A refers to rows 1 to 6, section B refers to rows 7 to 12
and section C refers to rows 13 to 18.
Example: Computation of cargo index influence for the EMB-145.
The EMB-145 cargo compartment centroid is located 889.76
inches from the airplane datum.
The index influence per lb is:
()
lbIU0.017
17400
590889.761
I =
−×
=
So, for each lb of cargo loaded in the cargo compartment, the
index increases by 0.017 index units.
To Next Page
Loading...
