FLIGHT
OPERATIONS
Takeoff is
made
normally
with carburetor heat off. Avoid excessive
leaning
in cruise.
Carburetor
heat
may be
used to overcome
a,ny occa,sional engine
roughness
due to ice.
\ühen operating in
temperatures
below
-18oC,
avoid using
partial
carburetor
heat. Partial
heat may increase
the carburetor air temperature
to the O" to 21oC
range, where
icing is critical under certain atmospheric
conditions.
HOT
WEATHER
OPERATION
R,efer to
the
general
warrn
temperature starting information
under
Starting
Elngine in this
section. Avoid
prolonged
engine operation on the
ground.
I
ruorse
cHARAcrERtsncs
Increased
emphasis
on
improving the
quality
of our environment
requires
renewed
effort
on
the
part
of
all
pilots
to minimize the effect of
airplane noise
ou
the
public.
We, as
pilots,
can demonstrate
our concern for.environmental
im-
provement,
by application
of
the
following suggested
procedures,
and
thereby tend
to build
public
support for
aviation:
1,.
Pilots
operating
aircraft under
VFF, over
outdoor assemblies
of
persons,
recreational
and
park
areas,
and
other noise-sensitive
a,rea,s
should
make every
effort to
fly not less than
2000 feet
above
the
surface,
weather
permitting,
even though
flight at a lower level
may
be consisterrt
with the
provisions
of
government
regulations.
2,
During
departure
from or
approach
to an airport,
climb after
takeoff
and
descent
for
landing
shoutd
be
made
so as
to
avoid
prolonged
flight
at
low
altitude
near
noise-sensitive
areas.
NOTE
CESSNA
MODEL
172P
SECTION
4
NON,MAL
PR,OCEDUR,ES
The
above
recommended
procedures
do not apply where
they
would
conflict
with
Air
Tra,ffic
Control clearances or
instructions,
or where,
in
the
pilot's
judgment,
an altitude
30
May 1980
4-23
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