Unscheduled Electric Stabilator Trim; Emergency Static Air Source System - Beechcraft C23 SUNDOWNER 180 Pilot Operating Handbook

BEECHCRAFT Sundowner
180 Section III
C23 (M-1285 and After)
Emergency
Procedures
1. Alternator
Switch
-
OFF MOMENTARILY,
THEN
ON
(this
resets
overvoltage
relay)
If
alternator-out condition persists:
2. Alternator
Switch
-
OFF
3. Nonessential
Electrical Equipment
-
OFF
to
conserve
battery
power.
WARNING
Deactivation
of the
battery switch,
alternator
switch,
or alternator
circuit breaker during flight
is prohibited,
except as
required by
an
actual
emergency.
UNSCHEDULED ELECTRIC STABILATOR TRIM
1. Airplane Attitude
-
MAINTAIN using stabilator
control.
2. Stabilator Trim Thumb Switch (On Control Wheel)
-
MOVE IN DIRECTION OPPOSITE UNSCHEDULED
PITCH TRIM to
open
circuit breaker.
3. Stabilator Trim
ON-OFF
Switch (On Instrument Panel)
-
OFF
4. Manual Stabilator Trim Control Wheel
-
RETRIM AS
DESIRED.
EMERGENCY STATIC
AIR SOURCE
SYSTEM
THE EMERGENCY STATIC AIR SOURCE SHOULD BE
USED FOR
CONDITIONS WHERE
THE
NORMAL
STATIC
SOURCE
HAS
BEEN OBSTRUCTED.
When the airplane
has been exposed
to
moisture
anc‡/or
icing conditions
(especially
on
the
ground), the possibility
of obstructed
static
ports
should be considered. Partial obstructions
will
result in
the
rate of
climb
indication
being sluggish
during
a climb
or descent.
Verification
of
suspected
obstruction
is
possible
by switching to the emergency system and
noting
August, 1980
3-9