12-72
Garmin GTN 725/750 Pilot’s Guide
190-01007-03 Rev. D
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
Weather Product
Expiration
Time
(Minutes)
Transmission
Interval
(Minutes)
Update Interval (Minutes)
CONUS NEXRAD
60
15
15
Regional NEXRAD
30
2.5
5
AIRMETs
60
5
As Available
(Typically 20 minutes)
SIGMETs
60
5
As Available
(Typically 20 minutes), then
at 15 minute intervals for
1 hour
METARs
90
5
1 minute (where available),
As Available otherwise
(Typically
≤
20 minutes)
Winds and
Temperatures Aloft
90 or at the
end of the
valid period
10
12 hours
Pilot Weather
Report (PIREP)
(Blue - Regular,
Yellow - Urgent)
90
10
As available
|(Typically 20 minutes)
TAFs
60
10
8 hours
TFRs
60
10
20
NOTAMs
60
10
As available
(Typically 20 minutes)
Table 12-8 FIS-B Weather Products and Aging
WARNING:
Do not use the indicated data link weather product age to
determine the age of the weather information shown by the data link
weather product. Due to time delays inherent in gathering and processing
weather data for data link transmission, the weather information shown by
the data link weather product may be significantly older than the indicated
weather product age.
Содержание GTN 725
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