61
190-01007-04 Rev. K
GTN 725/750 Cockpit Reference Guide
Symbols
TCAD
Symbol
Description
Imminent Traffic
(Traffic within ±500 feet
AND 1.0 NM; OR no altitude
AND within 1.0 NM)
Non-Imminent
Traffic
Traffic Closing Vertically
Traffic Diverging Vertically
Traffic not Closing or Diverging
Vertically
Terrain Obstacle Symbols
Unlighted
Obstacle
(Height is
less than
1,000 ft AGL)
Lighted
Obstacle
(Height is
less than
1,000 ft AGL)
Unlighted
Obstacle
(Height is
greater than
1,000 ft AGL)
Lighted
Obstacle
(Height is
greater than
1,000 ft AGL)
Obstacle Altitude/Color Correlation
Tower
Windmill
Windmill in Group
Power Line
Obstacle Icon Types
Threat Location
Unlighted Obstacle
Projected Flight Path
1000 ft
100 ft Threshold
Terrain more than 1000 ft below the aircraft altitude (Black)
Terrain between 100 ft and 1000 ft below the
aircraft altitude (Yellow)
Terrain above or
within 100 ft
below the aircraft
altitude (Red)
Terrain Altitude/Color Correlation