Textron Cessna 172R - Crosswind Takeoff; Enroute Climb; Wing Flap Settings

CESSNA
MODEL
172R
SECTION
4
NORMAL
PROCEDURES
WING
FLAP
SETTINGS
Normal
takeoffs
are
accomplished
with
wing
flaps
0°-10°.
Using
10°
wing
flaps
reduces the
ground
roll
and total
distance
over an
obstacle
by
approximately
10
percent.
Flap
deflections
greater
than
10°
are
not
approved
for takeoff.
If
10°
wing
flaps
are
used
for
takeoff,
they
should
be
left
down
until all
obstacles
are
cleared
and
a
safe
flap
retraction
speed
of
60
KIAS
is
reached.
On
a
short
field,
10°
wing
flaps
and
an
obstacle clearance
speed
of
57
KIAS
should be
used.
Soft
or
rough
field
takeoffs
are
performed
with
1
0°
flaps
by
lifting
the
airplane
off
the
ground
as soon as
practical
in
a
slightly
tail low
attitude.
If
no
obstacles
are
ahead,
the
airplane
should
be
leveled
off
immediately
to
accelerate
to
a
higher
climb
speed.
When
departing
a
soft field
with
an
aft
C.G.
loading,
the
elevator
trim
should
be
adjusted
towards
the
nose
down
direction
to
give
comfortable
control wheel
forces
during
the
initial climb.
CROSSWIND
TAKEOFF
Takeoffs
into
strong
crosswind
conditions
normally
are
performed
with
the
minimum
flap
setting
necessary
for
the
field
length,
to
minimize
the
drift
angle
immediately
after
takeoff.
With
the ailerons
partially
deflected
into
the
wind,
the
airplane
is
accelerated
to
a
speed
slightly higher
than
normal,
then
pulled
off
briskly
to
prevent
possible
settling
back
to
the
runway
while
drifting.
When clear
of
the
ground,
make
a
coordinated
turn
into
the
wind
to
correct
for
drift.
Normal
enroute
climbs
are
performed
with
flaps
up
and
full
I
throttle
and
at
speeds
5
to
10
knots
higher
than
best
rate-of-climb
I
speeds
for
the best
combination
of
performance,
visibility
and
engine
cooling.
The
mixture
should
be
full
rich
below
3000
feet
I
and
may
be
leaned
above
3000
feet
for
smoother
operation
or
to
obtain
maximum
RPM.
For maximum
rate
of
climb,
use
the
best
rate-of-climb
speeds
shown
in
the Rate
of
Climb
chart
in
Section
5.
If
an
obstruction
dictates
the
use
of
a
steep
climb
angle,
the best
angle-of-climb
speed
should
be used
with
flaps
up
and
maximum
power.
Climbs
at
speeds
lower than
the best
rate-of-climb
speed
should be
of
short
duration
to
improve
engine
cooling.
ENROUTE
CLIMB
Revision
7
4-25
I
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