Cessna 172P Pilot's Operating Handbook And Flight Manual page 204

I
FLOATPLANE
MODEL
172P
PILOT'S OPERATING HANDBOOI{
SUPPLEMENT
It
should be noted
that the
tachoineter
stepped
green arc markings
iepresentingTóVo
powor
at
sea
level,
õ000 feet and
10,000
feet
are baded
on
the landplane. Refer
to
the cruise tables
in
Section 5
for
percent power
information appÌioable to
the floatplane.
LA'NDING
Normal landings can
be
made
power
on
or
power off using approach
speeds
of
6õ-75
KIAS with flaps
up
and
õ5-6õ
KIAS with flaps down.
GLASSY WATER
I,ANDING
With glassy water conditions, flaps
should be
extended
to
20o
and
enough
power
used
to maintain
a
low
rate of
descent
(approximately
2OO
feet per
minute).
The
floa@lane
should
bo
flown
onto the
water
at
this
sink
rate with no flare attempted sinco height
above
glassy water is nearly
impossible to judge. Power should
be
reduced
to idle and control wheel
back pressure inoreased upon contacting the surface.
As the floatplane
decelerates
off the step, apply
full
back Pressure on the
control wheel.
If
this
gtassy water technÍque
is
used
in
conjunction
with
an
obstacle'
clearance approach, allowance should
be made
for appreciably
longer
total distances than are shown in Section
5
to clear
a
5O-foot obstacle.
CROSSÏVIND
LANDING
The
wing-low
slip
method should be
used
with the
upwind float
contacting the surface
first.
NOISE CHARACTERISTICS
The certificatod noise level
for
the Model
172P
Floatplane at
2220
pounds
is72.2
dB(A).
made
Ëy
the
Administrati
f
this
airplan
ccePtable
oru
,
into,
or out of, any
landing
area.
20
30
May
1980