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190-00645-00 Rev. A
Garmin G1000 Cockpit Reference Guide for the Quest Kodiak 100
10-13
SECTION 10 – HAZARD
AVOIDANCE
Excessive Descent Rate Alert (EDR)
The purpose of the Excessive Descent Rate alert is to
provide suitable alerts when the aircraft is determined
to be closing (descending) upon terrain at an excessive
speed. Figure 10-20 displays the correlation between
height above terrain and descent rate, resulting in the two
EDR alerts. EDR alerts have two levels of severity, caution
(sink rate) and warning (pull-up).
6000
5500
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
2000 4000 6000 8000 10000 12000
"PULL UP""PULL UP"
"SINK RA
TE"
Descent Rate
Height Above Terrain (Feet)
Figure 10-20 Excessive Descent Rate
Negative Climb Rate After Takeoff
Alert (NCR)
The purpose of the Negative Climb Rate After Takeoff
alert is to provide suitable alerts to the pilot when the
system determines that the aircraft is losing altitude
(closing upon terrain) after takeoff. The aural message
Don’t Sinkis given for NCR alerts, accompanied by an
annunciation and a pop-up terrain alert on the display.
Figure 10-21 illustrates the envelope for alerts.
1000
800
600
400
200
Height Above Terrain (Feet)
Altitude Loss (Feet)
0 20 40 60 80 100 120 140
“DON’T SINK”“DON’T SINK”
Figure 10-21 Negative Climb Rate
1000
900
800
700
600
500
400
300
200
100
Height Above Terrain (Feet)
Sink Rate (Feet Per Minute)
0
“DON’T SINK”“DON’T SINK”
500 1000 1500 2500 35002000 3000 4000
“Five-Hundred” Aural Alert
The purpose of the aural alert message “Five-hundred”
is to provide an advisory alert to the aircrew that the
aircraft is five-hundred feet above terrain. When the
aircraft descends within 500 feet of terrain, the aural
message Five-hundredis heard. There are no display
annunciations or pop-up alerts that accompany the aural
message.
Pop-up Alerts
When the Navigation Map Page is displayed, and a
terrain or obstacle alert is issued, a pop-up window is
displayed with the appropriate alert.
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