Cessna 172N - Page 32

SECTION 3
EMERGENCY
PROCEDURES
CESSNA
MODEL
172N
(9)
Open left
window and,
if
practical,
scrape
ice
from a
portion
of
the
windshield
for visibility
in the landing
approach.
(10)
Perform
a landing
approach using
a forward slip,
if necessary,
for improved
visibility.
(11)
Approach
at 65 to ?5
KIAS, depending upon
the amornt of
the
accurnulation.
(12)
Perform
a
landing in
level
attitude.
STAIIC
SOUR,CE
BTOCKAGE
(Erroneous
Instrumenl
Reoding
Suspected)
(1)
Alternate
Static
Source
Valve
--
PULL ON.
(2)
Airspeed
--
Consutt
appropriate calibration tables
in Section 5.
LANDING
WITH A
FLAT
MAIN
TIRE
(1)
Approach
--
NORI\{AL.
(2)
Touchdown
--
GOOD
TIRE
FIRST,
hold airplane
off
flat
tire as
long as
possible.
ELECTR,ICAL
POWER
SUPPLY
SYSTEM MALFUNCTIONS
OVER,.VOtIAGE TIGHT
IttU,N
INATES
(1)
Master
Switch
--
OFF
(both
sides).
(2)
Master
Switch
--
ON.
(3)
Over-Voltage
Light
--
OFF.
If over-voltage
light
illuminates
again:
(4)
Flight
--
TERMINATE
as soon as
possible.
A,U'VI
ETER, SH
OWS
DISCHA
RG
E
(1)
Alternator
-- OFF.
(2)
Nonessential
Electrical
Equipment
--
OFF.
(3)
Flight
--
TERMINATE
as soon as
practical.
3-8