GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 6
MODEL GA-7/COUGAR
WEIGHT AND BALANCE
6-6
Issued: April 10, 1978
AIRPLANE WEIGHING FORM
Measurement “A” __________
Measurement “B” __________
Scale Position
Scale Reading
Tare
Symbol
Net Weight
(Scale Reading – Tare)
Left Wheel
L
Right Wheel
R
Nose Wheel
N
TOTAL NET WEIGHT (L + R + N)
W
Calculate C.G. Arm of Airplane as weighed:
Airplane on Wheels
𝐶𝐶
.
𝐺𝐺
.
𝐴𝐴𝐴𝐴𝐴𝐴
= 50 +
𝐴𝐴𝐴𝐴 − 𝐵𝐵𝐵𝐵
𝐴𝐴
Airplane on Jack Pads
𝐶𝐶
.
𝐺𝐺
.
𝐴𝐴𝐴𝐴𝐴𝐴
= 125.1 –
(75.3)(
𝐵𝐵
)
𝐴𝐴
Figure 6-2