SC-POH-1-1-17
SECTION
6
WEIGHT
&
BA
LA
NCE
Revision:
-
Date
of
issue:
2011-09-01
S
S
p
p
o
o
r
r
t
t
C
C
r
r
u
u
i
i
s
s
e
e
r
r
6-2
6.
WEIGHT
AND
BALANCE
6.1
Introduction
Th
is
s
ec
tio
n
co
nt
ai
ns
w
ei
gh
t
an
d
balance
records
and
the
pay
load
range
for
safe
operation
of
S
S
p
p
o
o
r
r
t
t
C
C
r
r
u
u
i
i
s
s
e
e
r
r
a
irc
ra
ft.
Procedures
for
w
eighing
the
aircra
ft
and
the
calculation
method
for
establishing
the
permitted
pay
load
range
are
contained
in
F
AA
Aviation
Advisory
Circular
AC.43.13
–
1B.
6.2
Airplane
w
eighing
procedure
1.
Preparation
-
Remove
all
impurities
from
the
ai
rcraft
as
w
ell
as
further
undesirable
objects.
-
Inflate
tires
to
recommended
operating
pressure.
-
Drain
fuel
from
fuel
installation.
-
Add
oil,
hy
draulic
and
cooling
liquid
up
to
the
maximum
specified
value.
-
Retract
w
ing
flaps,
close
the
canopy
and
other
lids
and
covers,
remove
control
surfaces
blocking.
-
Level
the
airplane
according
to
the
rivet
line
located
on
the
fuselage
(on
LH
and
RH
sides)
under
the
canopy
frame.
2.
Lev
eling
-
Place
scales
under
each
w
heel.
-
Deflate
the
nose
tire
and/or
low
er
or
ra
ise
the
nose
strut
to
properly
center
the
bubble
in
the
level.
3.
Weighing
-
Wi
th
th
e
ai
rp
la
ne
le
ve
l a
nd
b
ra
ke
s
re
leased,
record
the
w
eight
show
n
on
each
scale.
Deduct
the
tare,
if
any
, from
each
reading.
4.
Measuring
-
Th
e
D
A
TU
M
(
re
fe
re
nc
e
pl
an
e)
fo
r
ar
m
s
m
ea
su
rin
g
is
o
n
th
e
w
in
g
le
ad
in
g
edge
Rib
No.4.
-
Obtain
measurement
LR
and
LL
by
measuring
horizontally
(along
the
airplane
center
line)
from
a
line
stretched
betw
een
datum
on
the
left
and
right
w
ing.
