User Guide Part 2

Pilot’s Guide 3-3
SKY497
Principles of Operation
Figure 3-1. TA Zones If Your Aircraft Has a Radio Altimeter
0.2 nmi
+600 ft
–600 ft
T
h
i
s
ar
ea
or 20
s
ec
o
n
d
s
*
0.55 nmi
+800 ft
–800 ft
T
h
is
ar
ea
or 30
se
co
n
d
s
*
*
**15 seconds for non-altitude reporting intruder aircraft
*20 seconds for non-altitude reporting intruder aircraft
Not to Scale
Intruder Aircraft
GL
1,700
400
2,000
Feet
Feet
Feet
Ground
Targets
Filtered
TA Zone
Above 2,000 ft
(Sensitivity Level B)
TA Zone
Below 2,000 ft
(Sensitivity Level A)
SKY497
Audio Inhibited
0.2 nmi
+600 ft
–600 ft
T
h
i
s
ar
ea
or 20
s
ec
o
n
d
s
*
0.55 nmi
+800 ft
–800 ft
T
h
is
ar
ea
or 30
se
co
n
d
s
*
*
**15 seconds for non-altitude reporting intruder aircraft
*20 seconds for non-altitude reporting intruder aircraft
Not to Scale
Intruder Aircraft
GL
TA Zone
When Landing Gear is Up
(Sensitivity Level B)
TA Zone
When Landing Gear is Down
(Sensitivity Level A)
SKY497 Audio
Inhibited When
Landing Gear is Down
Figure 3-2. TA Zones If Your Aircraft Has No Radio Altimeter, But Does Have Retractable
Landing Gear