Garmin Pilot for Android User’s Guide
190-01532-00 Rev. A
96
Fly
Overview
Plan
File
Fly
Subscriptions
Appendices
Index
Symbol
Description
Non-directional airborne Traffic Advisory (TA)
Non-directional off-scale airborne Traffic Advisory (TA). Displayed at outer
range ring at proper bearing.
Directional airborne Traffic Advisory (TA) with track vector. Points in the
direction of the aircraft track.
Directional off-scale airborne Traffic Advisory (TA). Points in the direction of
the aircraft track.
ADS-B Traffic Symbology
T
raffic
a
dvisories
(Ta)
The GDL 39 automatically adjusts its Traffic Advisory (TA) sensitivity level to reduce
the likelihood of nuisance TA alerts during various phases of flight. TAs are issued for
traffic when they are predicted to be within a specified volume of airspace around your
aircraft in a specified amount of time. The protected volume and time interval varies
based on the current geodetic altitude and groundspeed. Thus, the protected volume
of airspace increases with altitude and ground speed. Refer to the following table for
details.
Altitude
(Geodetic)
Look Ahead
Time (sec.)
Vertical
Separation (ft.)
Horizontal
Separation (nm.)
Below 5,000
30
+/-850
.35
5,000-10,000
40
+/-850
.55
10,000-20,000
45
+/-850
.80
20,000-42,000
48
+/-850
1.10
Above 42,000
48
+/-1,200
1.10
Traffic Advisories
Summary of Contents for Pilot User's Android
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