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Garmin G1000 Cockpit Reference Guide for the Columbia 350/400
SECTION 11 – ABNORMAL
OPERATION
11-2
11.2 ABNORMAL COM OPERATION
When a COM tuning failure is detected by the system,
the emergency frequency (121.500 MHz) is automatically
loaded into the active frequency field of the COM radio
for which the tuning failure was detected. In the event of
a dual display failure, the emergency frequency (121.500
MHz) automatically becomes the active frequency to the
pilot through the pilot headset.
11.3 UNUSUAL ATTITUDES
The PFD will ‘declutter’ when the aircraft enters an
unusual attitude. Only the basic primary functions will
be displayed in these situations.
Red extreme pitch warning chevrons pointing toward
the horizon are displayed starting at 50 degrees above and
30 degrees below the horizon line.
Figure 11-2 Extreme Pitch Indication
11.4 STORMSCOPE OPERATION WITH
LOSS OF HEADING INPUT
If heading is lost, strikes and/or cells must be cleared
manually after the execution of each turn. This is to
ensure that the strike and/or cell positions are depicted
accurately in relation to the nose of the aircraft.
11.5 HAZARD DISPLAYS WITH LOSS OF
GPS POSITION
If GPS position is lost, or becomes invalid, selected
hazards being displayed on the Navigation Map Page
will be removed until GPS position is again established.
The icons in the lower right of the screen, indicating the
selected functions for display, will show an ‘X’, as shown
in Figure 11-3.
Figure 11-3 Loss of Hazard Functions
with Loss of GPS Position