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BEECHCRAFT
Sundowner
180
Section
V
C23 (M-1285
and
After)
Performance
NOTES:
1.
Range allows for
start, taxi,
climb,
and a
45
minute
reserve
at
57% MCP
@
2300
RPM.
2.
Cruise
performance
is based on best power mixture.
Lean to
maximum
RPM for a given
throttle setting.
3.
It
is
recommended
that
use
of
tanks be
alternated and
that a
fuel log be
maintained showing
time remaining in
each
tank.
4. Determination
of
in-flight fuel flow: Enter
the
table
at
the altitude
nearest
to the computed
density
altitude,
and
read the fuel flow for
the
TAS value presented
that
is nearest to
the actual true airspeed.
ASSOCIATED CONDITIONS:
Pressure Altitude
4500 FEET
OAT
53°F
Indicated Airspeed
111
KTS
EXAMPLE:
Density
Altitude*
5200 FEET
Actual True Airspeed*
121
KTS
Nearest Altitude
on Table
5500 FEET
Interpolating Factor
.50
(121
KTS
is 50%
of the
difference between
116
and
126
KTS)
Fuel Flow
(12.0
-
9.6
=
2.4 x
.50
=
1.2
+
9.6
=
10.8)
10.8
gal/hr
*Requires
a
Flight
Computer.
January,
1982
5-19
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