Weight And Balance; Sample Load Ing Problem - Cessna 172 Ownersmanual

WEIGHT AND BALANCE.
The following information will enable you to operate your Cessna
within the prescribed weight and center of gr avity limitations. To figure
the weight and balance for your particular airplane, use the Sample
Problem , Loading Graph , and Center of Gravity Moment Envelope as
follows:
Take the licensed Empty Weight and Moment/ 1000 from the Weight
a nd Balance Data sheet, plus any changes noted on forms FAA-337,
carried in your airplane , and write them down in the proper columns.
Using the Loading Graph determine the moment/ 1000 of each item
to
be carried. Total the weights and moments/ 1000 and use the Center of
Gravity Moment Envelope to determine whether the point falls within the
envelope and
if
the loading is acceptable.
172
; 1
Sample Airplane
I
II Your A i .. plone
SAMPLE LOAD ING PROBLEM
Weight Moment Weigh! Moment
'
(l bsl (lb · ins. -
/ IOOO
I
I. Licensed Empty Weight (Sample A ir plane) ••• 1321 50.4
'
2 . O i l
8 Qi.. ·
..........................................
15
-0. 3 15 -0. 3
3 . Pilot
& Front Passe n ger ............................... 3.1.0
12.2
4 . Fuel . 139 Go l a l 6#/ Gal) ••••••••.•••••.••.••••.. •• 234
11_2
~
.S .
Rea r Passengers ........ ....................... ..... . .... 3"0
23 . 8
6 . Baggage (or
Possenger on Aulliliory Seat) .••• .• 5 0
4.7
7 . Total Aircrafl Weight
(Loaded) .•. •••.•...••... •. 2 300 102.0
I"'
!I
8 .
Loe.ate
th is
point l2300ot 102.0) on the ce nte r of g ra v ity enve lope. and since lh is
poinl falls. with i n, t he envelope the load i ng is ac ceptab l e .
•Note , N ormally lu ll O'il may be os.sumed for off fl ights.
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