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Cessna 1971 Super Skymaster - Page 33

Cessna 1971 Super Skymaster
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WEIGHT
AND
BALANCE.
The
following
information
will enable
you
to
operate
your
Cessna
with-
in
the
prescribed
weight and
center
of
gravity
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"
from
the Weight
and
Balance
Data
sheet
(or
changes
noted
on
FAA
Form
337)
carried
in
your
airplane,
and
write
them
down
in
the
column
titled
"YOUR AIR-
PLANE" on
the
Sample Loading
Problem.
NOTE
The Weight and
Balance
Data
sheet
is
included
in
the
air-
craft
file.
In
addition
to
the
licensed
empty weight and
moment
noted on
this
sheet,
the
c.
g.
arm
(fuselage
sta-
tion)
is
shown. The
c.
g.
arm
figure
need not be
used
on
the
Sample Loading
Problem.
The
moment
shown on
the
sheet
must
be divided by 1000 and
this
value
used
as
the
moment/1000
on
the
loading
problem.
Use
the
Loading
Graph
to
determine
the
moment/1000
for
each
addi-
tional
item
to be
carried,
then
list
these
on
the
loading
problem.
NOTE
Loading Graph
information
is
based
on
seats
positioned
for
average
occupants
and baggage
loaded
in
the
center
of
the
baggage
area.
For
other
than
average
loading
situations,
the
Sample Loading
Problem
lists
fuselage
stations
for
these
items
to
indicate
their
forward
and
aft
c.
g.
range
limitation
(seat
travel
or
baggage
area
limitation).
Additional
moment
calculations,
based
on
the
actual
weight
and
c.
g.
arm
(fuselage
station)
of
the
item
being loaded,
must
be
made
if
the pOSition
of
the
load
is
different
from
that
shown on the Loading Graph.
Total
the
weights and
moments/1000
and
plot
these
values
on
the
Cen-
ter
of
Gravity
Moment Envelope to
determine
whether
the
point
falls
with-
in
the envelope, and
if
the loading
is
acceptable.
When
an
optional
cargo
pack
is
installed,
it
is
necessary
to
determine
the
c.
g.
arm
and
calculate
the
moment/1000
of
items
carried
in
the
pack.
The
c.
g.
arm
(fuselage
station)
for
any
location
in
the
pack
can
be
deter-
mined
from
the
diagram
on page
4-9.
Multiply
the
weight of the
item
by
the
c.
g.
arm,
then
divide by 1000
to
get
the
moment/1000.
The
maximum
loading
capacity
of
the
pack
is
300 pounds.
NOTE
Each
loading
should
be
figured
in
accordance
with the
above
paragraphs.
When loading
is
light
(such
as
pilot
and
copilot,
and
no
rear
seats
or
cargo),
be
sure
to
check
the
forward
balance
limits.
When loading
is
heavy
(near
gross
weight),
be
sure
to check
the
aft
balance
limits.
To
avoid
time
consuming
delays
in
cargo
and/or
passenger
shifting,
plan
your
load
so
that
the
heaviest
cargo
and/or
passengers
are
in the
forward
part
of
the
aircraft
or
cargo
pack,
and
the
lightest
in
the
rear.
Always
plan
to have any
vacant
space
at
the
rear
of the
aircraft
or
pack.
,
~
For
example,
do not have
passengers
occupy the
aft
seat
unless
the
front
il
and
center
seats
are
to be occupied.
4-5
j .
,rr=rI~li;vl;~:''':)''LI~
4-4

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