Textron Cessna 172R User Manual

GARMIN
Lid.
or
its
subsidiaries
c/o
Garmin
International
1200
E.
151“
Street,
Olathe,
KS
66062
USA
AIRPLANE
FLIGHT
MANUAL SUPPLEMENT
or
SUPPLEMENTAL
AIRPLANE
FLIGHT
MANUAL
for
a
Garmin
400W
Scries
Navigation
System
Section
3.
EMERGENCY
PROCEDURES
3.1
Emergency
Procedures
No
change.
3.2
Abnormal
Procedures
a)
If
the
Garmin
400W
Series
unit
GPS
navigation
information is
not
available,
or
is
invalid,
utilize
other
remaining
operational
navigation
equipment
installed
in
the
airplane
as
appropriate.
If
the
400W
Series
unit
loses
GPS
position
and
reverts
to
Dead
Reckoning
mode
(indicated
by
the
annunciation
of
“DR”
in
the lower left
of
the
display),
the
moving
map
will continue
to
be
displayed.
Aircraft
position
will be
based
upon
the last valid
GPS
position
and estimated
by
Dead
Reckoning
methods.
Changes
in
airspeed
or
winds
aloft
can
affect
the estimated
position
substantially.
Dead
Reckoning
is
only
available
in
Enroulc
mode;
Terminal and
Approach
modes
do
not
support
DR.
b)
If
a
“Loss
of
Integrity”
(INTEG)
message
is
displayed during:
*
Enroutc/Tcmtinal:
continue
to
navigate using
GPS
equipment
and
periodically
cross-check
the
GPS
guidance
to
other
approved
means
of
navigation.
•
GPS
Approach:
GPS
approaches
arc
not
authorized under
INTEG
-
Execute
missed
approach
or
revert to
alternate
navigation.
c)
During
a
GPS
LPV
precision
approach
or
GPS
LNAV/VNAV
approach,
the
400W
Series
unit will
downgrade
the
approach
if
the
Vertical
alarm
limits
arc
exceeded. This will
cause
the vertical
guidance
to
(lag
as
unavailable. The
procedure
may
be
continued
using
the
LNAV
only
minimums.
d)
During
a
GPS
LP
approach,
the
400YV
Series
may
downgrade
the
approach prior
to
the
Final
Approach
Fix if
alarm
limits
arc
exceeded.
If
this
occurs,
a
message
will be
displayed advising
the
pilot
to
use
LNAV
minimums.
If
alarm
limits
arc
exceeded
after
the
Final
Approach
Fix,
the
400
W
Series
unit will
flag
the lateral
guidance
and
generate
a
system
message
“ABORT
APPROACH
loss
of
navigation".
Immediately
upon
viewing
the
message
the
unit will
revert
to
Terminal
alarm
limits.
If
the
position
integrity
is within these limits
lateral
guidance
will
be
restored
190-00356-03
Rev.
B
Page
1 1
of
16
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Textron Cessna 172R Specifications

General

Brand	Textron
Model	Cessna 172R
Category	Aircrafts
Language	English