11-47
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Weather
Rainfall data is color coded as follows:
Figure 11-73 FIS-B Weather Precipitation Legend
Gray shaded areas indicate that data is not available or that no data has been
received for a requested area. Gray shades may also indicate that the rainfall rate
for a given area is undetermined.
The FIS-B Function is based on a ground-to-air data link and requires that
the appropriate ground systems are broadcasting weather data and the aircraft is
within reception range of the Ground Broadcast Transceiver (GBT).
Summary of Contents for GTN 625
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