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CESSNA
MODEL 152
When operating in temperatures below -18°C, avoid using partial carburetor heat. Partial heat
may increase the carburetor air temperature to the 0°C to 21°C range, where icing is critical
under certain atmospheric conditions.
NOISE ABATEMENT
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 on the public.
We, as pilots, can demonstrate our concern for environmental improvement, by application of
the following suggested procedures, and thereby tend to build public support for aviation:
Pilots operating aircraft under VFR over outdoor assemblies of persons, recreational and park
areas, and other noise-sensitive areas 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 consistent
with the provisions of government regulations.
During departure from or approach to an airport, climb after takeoff and descent for landing
should be made so as to avoid prolonged flight at low altitude near noise-sensitive areas.
The above recommended procedures do not apply where they
would conflict with Air Traffic Control clearances or instructions, or
where, in the pilot's judgment, an altitude of less than 2000 feet is
necessary for him to adequately exercise his duty to see and avoid
other aircraft.
The certificated noise level for the Model 152 at 1670 pounds maximum weight is 64.8 dB(A).
No determination has been made by the Federal Aviation Administration that the noise levels
of this airplane are or should be acceptable or unacceptable for operation at, into, or out of,
any airport.
1 July 1978
NOTE
SECTION 4
NORMAL PROCEDURES
4-22
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