Garmin GTN 650 Cockpit Reference Guide - Page 36

Terrain Obstacle Symbols Unlighted Obstacle (Height is less than 1000 ft AGL) Lighted Obstacle (Height is less than 1000 ft AGL) Unlighted Obstacle (Height is greater than 1000 ft AGL) Lighted Obstacle (Height is greater than 1000 ft AGL) 1000 ft Obstacle Altitude/Color Correlation 100 ft Threshold Projected Flight Path Unlighted Obstacle Potential Impact Point Terrain above or within 100 ft below the aircraft altitude (Red) Terrain between 100 ft and 1000 ft below the aircraft altitude (Yellow) Terrain more than 1000 ft below the aircraft altitude (Black) Terrain Altitude/Color Correlation Symbols 30 GTN 625/635/650 Cockpit Reference Guide (CRG) 190-01004-04 Rev. C