TM 55-1510-215-10
Table 6-1. Cargo Center-of-Gravity Location Planning Example
ITEM
WEIGHT
STATION
MOMENT
Aircraft basic weight from chart c
5421
146.7
795316
Add: Fuel unusable
24
140
3360
Pilot
200
129
25800
Operating weight
5701
145.6
830132
Cargo (2000 pounds)
600
160
96000
Cargo
600
180
108000
Cargo
600
200
120000
Cargo
200
220
44000
Fuel (296 gallons)
Nacelle fuel cell
741
131
97000
Wing fuel cell
1183
168
199000
Takeoff weight
9625
155.2
1494132
NOTES:
1.
The cargo center-of-gravity is located at station 184.0. To get the landing weight of the aircraft down to a
maximum of 9168 pounds, 457 pounds approximately (70 gallons) of fuel must be consumed.
2.
This chart is for planning purposes only. Final aircraft loading operations and weight and balance
computation must be checked for the particular aircraft. (See Section II).
6-23. Load Planning.
Secondary supports should be used to distribute highly
A thorough check by the pilot before each flight will
condensed weights evenly over the cargo areas.
insure the best loading arrangement. The amount of
control surface deflection required to correct for forward
f. Cargo destination should be considered when
or aft CG conditions will restrict maneuverability of the
applicable. If part of the cargo is to be removed at an
aircraft. The stability and controllability of the aircraft is
intermediate stop, the cargo should be arranged
improved, particularly at low airspeeds, by loading as
accordingly.
close to the neutral position as possible. The degree of
load planning will vary with each operation, depending
g. All cargo must be adequately secured to prevent
on the amount and bulk of the load. The basic factors to
damage to the aircraft, other cargo, or the item itself.
be considered in any loading situation are as follows:
6-24. Loading Procedure.
a. The location of the cargo must be pla nned so
that the center-of-gravity of the loaded aircraft will be
Loading of cargo is accomplished through the main
within the operating limits.
cabin entrance and cargo doors.
Extreme caution
should be exercised to prevent damaging the wing flaps,
b. The total weight of the loaded aircraft must not
doors, floorboards, seat tracks, upholstery, etc.
exceed the maximum allowable gross weight.
Personnel shall observe NO STEP areas. Cargo should
have at least one secondary support on each side of the
c. Cargo must be arranged to permit access to all
compartment. The floor is stressed to support a vertical
emergency equipment and exits during flight.
load of 200 pounds per square foot.
d. Bulk cargo must be properly arranged to prevent
6-25. Securing Loads.
damage to fragile items.
Various aircraft maneuvers tend to move the cargo
e. Floorboard and bulkhead structural capacity
vertically, sideways, forward, rearward, or in any
must be considered in the loading of heavy or sharp-
combination of directions.
For this reason all
edged containers and equipment.
6-20
