Piper SENECA III - Noise Level; Heater Limitations; Operating Altitude Limitations; Gyro Suction Limits

SECTION 2
PIPER AIRCRAFT
CORPORATION
LIMITATIONS
PA-34-220T,
SENECA
III
2.23
NOISE
LEVEL
The
corrected
noise level of
this aircraft
is
7
I.4d
B(A)
with
the
two
blade
propeller
and
74.2d B(A)
with the
three
blade
propeller.
No
determination
has been
made by
the
Federal
Aviation Adminis-
tration 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
FAR 36.
Noise
Standards
-
Aircraft
Type
and
Airworthiness
Certification.
This
aircraft
model
is in
compliance with all
FAR
36
noise
standards
applicable
to
this
type.
2.25
HEATER LIMITATIONS
Operation of
the
combustion
heater
above
25.000 feet
is
not
approved.
2.27
OPERATING ALTITUDE
LIMITATIONS
Flight
above
25,000
feet is
not
approved.
Flight
up
to
and
including
25,0û0 feet is
approved
if equipped with
oxygen
in
accordance
with
FAR
23.1441
and avionics
in
accordance with
FAR
91
or
FAR
135.
2.29
GYRO SUCTION LIMITS
The
operating
limits for
the suction
system
are
4.8
to
5.1
inches
of
mercury
for
all
operations
as
indicated
by
the
gyro
suction
gauge.
2.31
OPERATION
WITH
AFT
DOORS
REMOVED
The
maximum
speed with
the
aft
doors
removed
is
129
KIAS
and the
minimum
single engine
control
speed
is
67
KIAS. Door
off operation
is
approved
for
VFR
non-icing
conditions
only.
REPORT: VB-1110 ISSUED:
JANUARY
8, 1981
2-8