Tis Symbology - Garmin GTN 725 Pilot's Manual

10.3.1
Foreword
Traffic is displayed according to TCAS symbology using three different
symbols.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Traffic Advisories (TA) alert the crew to intruding aircraft. When traffic meets
Charts
the advisory criteria for the TA, a solid yellow circle symbol is generated. A Non-
threat Advisory, shown as an open white diamond, indicates that an intruding
Wpt Info
aircraft is at greater than ±1200 feet relative altitude or the distance is beyond five
NM. A Traffic Advisory that is beyond the selected display range is indicated by
Map
a half TA symbol at the edge of the screen at the relative bearing of the intruder.
Traffic
TIS also provides a vector line showing the direction in which the traffic
is moving, to the nearest 45°. Traffic information for which TIS is unable to
Terrain
determine the bearing (non-bearing traffic) is displayed in the center of the
Traffic Page or in a banner on maps other than the Traffic Map Page on which
Weather
traffic can be displayed.
Nearest The altitude difference between the requesting aircraft and other intruder
aircraft is displayed above/below the traffic symbol in hundreds of feet. If the
Services/
other aircraft is above the requesting aircraft, the altitude separation appears
Music
above the traffic symbol with a "+" sign; if below, the altitude separation appears
Utilities
below. Altitude trend is displayed as an up/down arrow (for speeds greater than
500 fpm in either direction) to the right of the target symbol. Traffic symbols for
System
aircraft without altitude reporting capability appear without altitude separation
or climb/descent information.
Messages
Always remember that TIS cannot alert you to the presence of aircraft that
Symbols
are not equipped with transponders, nor can it alert you to aircraft that may be
nearby, but obscured from the ground surveillance radar by interfering terrain.
Appendix
10-4
Index

TIS Symbology

TIS Symbol
Table 10-1 TIS Traffic Symbols
Garmin GTN 725/750 Pilot's Guide
Description
Non-Threat Traffic
Traffic Advisory (TA)
Traffic Advisory Off Scale
190-01007-03 Rev. D