Weight and
Balance Data
CSP–520N–1
MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
TM
Original
6–12
EXAMPLE II. Longitudinal CG Calculation – Passenger and Cargo
Items
Weight
(lb)
Moment
(in.–lb)
Delivered Weight
1,705
193,721
Pilot
170
12,495
Passenger − Fwd Outboard
170
12,495
Cargo
1000
100,000
1. Zero Fuel Weight
Add: Fuel (Jet A)
3,045
150
318,711
14160
2. Gross Weight
3,195
332,871
Calculation of Longitudinal CG
CG (Zero Fuel Weight):
Moment at Zero Fuel Weight
318,711
104 7
Zero Fuel Weight
=
3,045
= 104.7
CG (Gross Weight):
Moment at Gross Weight
332,871
104 2
Gross Weight
=
3,195
= 104.2
NOTE
:
The CG falls within the limits specified in Table 6–1.