BEECHCRAFT
Duchess
16
Section VI
Wt
and
Sal/Equip
List
AIRPLANE WEIGHING PROCEDURE
Periodic weighing
of
the airplane may be required to keep
the basic emptyweightcurrent. Frequency
of
weighing
is
to
be determined by the operator. All changes
to
the airplane
affecting weight and/orbalance are the responsibility
of
the
airplane operator.
1.
The airplane may be weighed
on
wheels
or
on weighing
points.
Two
weighing
points
are provided on
the
wing main
spar at F.S. 129.37, and
one
on
the
lower aft fuselage tail
skid aft attach point at F.S. 278.61.
2.
Fuel is normally drained preparatory
to
a weighing
from the regular drain ports
while
the airplane is in static
ground attitude. When tanks are drained, 1.6 pounds
of
undrainable fuel remain in
the
airplane at F.S. 124.8. The
remainder
of
the unusable fuel
to
be added
to
a drained
system is 18.0 pounds at F.S. 123.0. If
the
airplane is
weighed with fuel tanks
topped
off
full, the fuel specific
weight (pounds/gallon) should be determined by using a
hydrometer. Compute total fuel
weight
by multiplying mea-
sured specific weight by 100 gallons. Fuel moment is de-
termined by interpolation
from
fuel table.
3.
Engine oil
is
to
be at
the
full level as indicated by the
dipstick.Total engine oil aboard when engines and systems
are full is 37 pounds at F.S. 75.4
4.
To determine airplane
configuration
at
time
of weigh-
ing, installed equipment is checked against
the
airplane
equipnlent list or superseding forms. All equipment must
be
in its
proper
place
during
weighing.
5.
The airplane weighing is performed with landing gear
down,
control
surfaces in
neutral
position
and
doors
closed.
January
1978
6-3
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