Section II
Limitations
*AIRSPEED INDICATOR MARKINGS
BEECHCRAFT
Duchess
76
MARK-
CAS
VALUE
lAS
VALUE
SlGNIRCANCE
ING
OR RANGE
OR RANGE
KTS
KTS
White
Full
Rap
Arc 58-110
60-110
Operating Range
Blue
Single-Engine
Radial
86
85
Best Rate-
of-Climb
Red
Minimum
Radial
67
65
Single-Engine
Control
(VMCA)
Green
NormalOperat-
Arc 68-154
70-154
ing Range
Yellow
Operate
With
Arc
154-194
154-194
Caution, Only In
Smooth Air
Red
Maximum Speed
Radial
194
194
For All Operations
(Never Exceed)
*The airspeed indicator is marked in lAS values.
POWER PLANT LIMITATIONS
ENGINES
Two Avco Lycoming engines installed; one
0-360-A1G6D
(clockwise rotating) located on the left
Wing,
and
one
LO-360-
A1G6D (counterclockwise rotating) located on
the
right wing.
The engines are four-cylinder, direct-drive, horizontally
opposed, and each rated
at
180 horsepower at 2700 rpm.
Take-off and Maximum
Continuous Power. , Full Throttle, 2700 RPM
Maximum Oil Temperature 245°F
Maximum Cylinder Head Temperature 500°F
)
2-4
October
1979
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