Garmin Software Version 0500.00 Guía de usuario Pagina 97

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Garmin G1000 Cockpit Reference Guide for the Beechcraft 58/G58
10-13
SECTION 10 – HAZARD
AVOIDANCE
AGL while within 1 nm of the threshold. During
the nal descent, algorithms will set a threshold
for alerting based on speed, distance, and other
parameters.
Non-Precision Approach Loaded - PDA alerting
begins when the FAF is the active waypoint AND the
aircraft is within 15 nm of the destination airport.
Again, algorithms are used to set a threshold for
alerting based upon various parameters. PDA
alerting ends at 0.5 nm from the runway threshold
OR at an altitude of 125 feet AGL while within 1
nm of the threshold.
ILS Approach Loaded—PDA alerting begins when
the FAF is the active waypoint AND the aircraft is
within 15 nm of the destination airport. Prior to
reaching the FAF, a PDA alert will be issued if the
aircraft descends 200 feet below the FAF altitude.
Once the aircraft intercepts the glideslope, PDA will
alert the pilot if the aircraft descends 0.7 degrees
below the glideslope. PDA alerting ends 0.5 nm
from the runway threshold OR at an altitude of 125
feet AGL while within 1 nm of the threshold.
0
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5
n
m
Runway Threshold
Final Approach Fix
2
0
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Figure 10-20 Non-Precision Approach PDA Alert Threshold
Runway Threshold
Final Approach Fix
2
0
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PDA Alert is
0.7 Below Glideslope
Glideslope Intercept
0
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5
n
m
Figure 10-21 ILS Approach PDA Alert Threshold
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 10-22 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).
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
2000 4000 6000 8000 10000 12000
"PULL UP""
P
U
L
L
U
P
"
"
S
I
N
K
R
A
T
E
"
Descent Rate (FPM)
Height Above Terrain (Feet)
Figure 10-22 Excessive Descent Rate
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