Garmin G1000 Pilot’s Guide for Piper PA32
190-00692-00 Rev. B
6-56
HAZARD AVOIDANCE
EXCESSIVE DESCENT RATE ALERT
The purpose of the Excessive Descent Rate (EDR) alert is to provide suitable notification when the aircraft is
determined to be closing (descending) upon terrain at an excessive speed. Figure 6-58 shows the parameters
for the alert as defined by TSO-C151b.
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 (FPM)
Height Above Terrain (Feet)
Figure 6-58 Excessive Descent Rate Alert Criteria
NEGATIVE CLIMB RATE AFTER TAKEOFF ALERT (NCR)
The purpose of the Negative Climb Rate (NCR) After Takeoff alert (also referred to as “Altitude Loss After
Takeoff”) 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 Sink” is given for NCR alerts, accompanied by
an annunciation and a pop-up terrain alert on the display. NCR alerting is only active when departing from
an airport and when the following conditions are met:
• The height above the terrain is less than 700 feet.
• The distance from the departure airport is 2 nm or less.
• The heading change from the heading at the time of departure is less than 110 degrees.
Summary of Contents for G1000:Piper
Page 1: ...Piper PA32...
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