Piper ARCHER III Pilot Operating Handbook page 132

SECTION
4
NORMAL
PROCEDURES
PA.28.18I.
ARCHER
III
4.13 NOISE LEVEL
@)
A
CFR Part 36, Appendix
G
for
aircraft
with
the standard
exhaust
system, the noise
level
is
73.1
dB(A).
For aircraft
with
the optional
exhaust system,
the noise
level
is
71.9
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.
The
above statement
notwithstanding, the noise
level
stated above
has
been
verified by
and
approved by the Federal
Aviation Administration
in
noise
level
test
flights
conducted
in
accordance
with
14
CFR Part
36,
Noise Standards
-
Aircraft
Type
and
Airworthiness Certification.
This
aircraft model is in compliance
with
all
14
CFR Part 36 noise standards
applicable to this
type.
(b)
ICAO Annex
16,
Volume
l,
Chapter
l0
for
aircraft
with the
standard
exhaust system, the noise
level
is
77.1
dB(A).
For aircraft
with
the
optional exhaust system, the noise
level
is
75.3
dB(A).
4.15 RECOMMENDED
PROCEDURES FOR
ELIMINATION OF FUEL
VAPOR
Fuel vapor
can occur
in
the
fuel
system
during ground operations when
high
ambient temperatures
are
present.
The symptoms
of fuel
vapor
can
include:
(a)
Fluctuation
ofidle
speed
and
fuel
flow
(b)
Poor engine response
to throttle movement
(c)
Engine
will
not
operate
when throttle is
closed
(d)
High RPM
drop
(greater
than 175
RPM)
during mag check
If
one or more symptoms
of
vapor
in
the
fuel
system
occur
during ground
operation, do
the
following:
(a)
Advance
the
throttle to
an
engine
speed
of
1800
to 2000
RPM. Continue
at
this power setting for
-
1-2
minutes
or
until smooth engine operation.
Make
sure
oil
temperature stays
within limits.
(b)
Retard throttle to
idle
and check
for
smooth operation.
(c)
During taxi,
lean
mixture
and operate
at
as
high
a
power setting (1200
RPM
max)
as
practical.
(d)
Prior
to
takeoff, set
the mixture
to
the
full
rich position (for
high
elevation fields,
mixture leaning could
be necessary
for
smooth engine
operation).
(e)
Prior to initiation of
takeoff
roll,
set
full
throttle
and
verify
smooth
engine operation.
REPORT:
VB-2749
4-26
ISSUED: December 22, 2Ol7
REVISED: January
9,
2Ol9