Textron Cessna 172R User Manual

SECTION
5
PERFORMANCE
CESSNA
MODEL
172R
CRUISE
CONDITIONS:
Total
distance
Pressure
altitude
Temperature
Expected
wind
enroute
LANDING
CONDITIONS:
Field
pressure
altitude
Temperature
Field
length
TAKEOFF
320
Nautical Miles
5500
Feet
20°
C
10
Knot
Headwind
2000
Feet
25°C
3000
Feet
The
takeoff
distance
chart,
Figure
5-5,
should be
consulted,
keeping
in
mind
that distances shown
are
based
on
the
short
field
technique.
Conservative
distances
can
be established
by
reading
the chart
at
the
next
higher
value
of
weight,
altitude
and
temperature.
For
example,
in
this
particular
sample problem,
the
takeoff
distance
information
presented
for
a
weight
of
2450
pounds,
pressure
altitude
of
2000
feet
and
a
temperature
of
30°
C
should be
)
used and results
in
the
following:
Ground
roll
1275
Feet
Total
distance
to
clear
a
50-foot
obstacle
2290
Feet
These distances
are
well within the
available
takeoff field
length.
However,
a
correction
for
the
effect
of
wind
may
be made based
on
Note
3
of
the
takeoff
chart.
The
correction
for
a
12
knot headwind
is:
.1?
Knot?
x
10o/o
=
13o/o
Decrease
9
Knots
This
results
in
the
following
distances,
corrected
for
wind:
Ground
roll,
zero
wind
1275
Decrease
in
ground
roll
-166
(1275
feet
X
13%)
Corrected
ground
roll
1109
Feet
5-4
Dec
2/96
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Textron Cessna 172R Specifications

General

Brand	Textron
Model	Cessna 172R
Category	Aircrafts
Language	English