82046-PG-B1
ST3400H PILOT’S GUIDE
Page 6-5
Figure
6-5.
Figure 6-5 Obstacle Alert on a tall tower
6.6 Obstacle
Symbology
Obstacles are depicted by two symbols. These symbols will be sized
according to the relative height below the helicopter and the distance.
There is no difference in meaning between the same symbol depicted at
different sizes. Coloring of obstacles is in accordance with the REL Color
Chart in Figure 5-7 with the exception that there is only one RED color
band (i.e. red means above, there is no dark red).
Obstacle Symbols
Obstacles 500’
AGL and taller:
Obstacles less
than 500’ AGL
.
Figure 6-6 Obstacle Symbols
6.6.1
Obstacles in TOPO Display
In REL, only obstacles in the REL color bands are shown. In TOPO,
all
obstacles in the database are depicted, adding those obstacles to the
