Garmin G1000 Cockpit Reference Guide for the Columbia 350/400
190-00567-01 Rev. A
2-6
SECTION 2
FLIGHT INSTRUMENTS
Low Altitude Annunciation (WAAS Only)
NOTE:
The LOW ALT annunciation is not available
when the G1000 is configured with TAWS (Terrain
Awareness & Warning System), unless TAWS is
inhibited.
When the Final Approach Fix (FAF) is the active
waypoint in a GPS WAAS approach using vertical guidance,
a LOW ALT (Low Altitude) annunciation may appear if
the current aircraft altitude is at least 164 feet below the
prescribed altitude at the FAF. The annunciation initially
flashes. After a few seconds the flashing stops and the
annunciation is displayed as shown in Figure 2-10.
Figure 2-10 Low Altitude on GPS Approach
Low Altitude
Annunciation
2.4 VERTICAL DEVIATION/GLIDEPATH/
GLIDESLOPE INDICATOR
The Vertical Deviation and Required Vertical Speed
Indicators appear when vertical guidance is being given
prior to executing an approach (see Figure 2-11). In
systems that are WAAS enabled, the Glidepath Indicator
appears at a point prior to the FAF when executing an LPV,
LNAV/VNAV, or LNAV+V approach (see Figure 2-12).
Vertical
Deviation
Indicator
Required
Vertical
Speed
Vertical
Speed
Pointer
Vertical
Speed
Indicator
VNV
Target
Altitude
Figure 2-11 Vertical Speed and Devia-
tion Indicators (VSI and VDI)
Summary of Contents for G1000 Columbia 350
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