Cessna 172N - Page 17

CESSNA
MODEL
172N
SECTION
2
LIMITATIONS
AIRSPEED
INDICATOR
MAR
KINGS
Airspeed
indicator
markings and their
color
code
significance
are
shown
in figure 2-2.
Figure 2-2.
Airspeed Indicator
Markings
POWER PLANT TIMITATIONS
Engine Manufacturer: Avco Lycoming.
Engine
Model
Number: O-320-HZAD.
Engine Operating Limits
for
Takeoff
and
Continuous
Operations:
Maximum
Power: 160 BHP.
Maximum Engine Speed:
2700
RPM.
NOTE
The
static
RPM range
at
full
throttle
(carburetor
heat off
and full rich
mixture) is
2280
to 2400 RPM.
Maximum
Oil
Temperature:
118oC
(245"F)
Oil
Pressure,
Minimum:
25
psi.
Maximum:
100
psi.
Propeller Manufacturer:
.McCauley Accessory
Di.vision.
Propeller Model Number:
1C160/DTM7557.
Propeller
Diameter, Maximum: 75
inches.
Minimum:
74
inches.
MARKING
KIAS
VALUE
OR RANGE
SIGNIFICANCE
White
Arc 41 -85 Full Flap
Operating
Range.
Lower
lirnit is maximum weight
Vgo
in
landing
configuration. Upper limit
is
maximum
speed
permissible
with
flaps
extended.
Green Arc
47
-
128
Normal
Operating
Range.
Lower limit
is maximum
weight
Vg at most forward
C.G. with
flaps
retracted. Upper
limit
is maximum
structural
cruising
speed.
Yellow Arc
128
- 160
Operations must
be
gonducted
with
caution and
only
in
smooth air.
Red
Line
160 Maximum speed
for
all
operations.
2-5