Garmin G1000 Pilot’s Guide for Cessna Nav III
190-00498-07 Rev. A
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
324
HAZARD AVOIDANCE
Figure 6-67 GFDS Weather Data Request Results with Precipitation and Infrared Satellite Displayed
Present Position Selected,
200 nm Diameter
Requested
Destination Selected,
200 nm Diameter
Requested
Next 80 nm of Flight Plan
Selected, 200 nm Route
Width Requested
Off-Route Waypoint
Selected, 200 nm Diameter
Requested
Duringa GFDS Data Request, the Request Status box initially displays “Contacting GFDS...”.  Once a
connectionisestablished, theRequestStatus Boxdisplays“Receiving WxData... TimeRemaining:”withan
estimateddatatransfertime(either minutesorseconds).If desired,theGFDSDataRequestwindow maybe
closedwhilethedatarequestisprocessingbypressingtheFMS Knob;thedatarequestwillcontinuetoprocess
inthebackground.GFDSDataRequeststypicallytakebetween1to4minutestocompletedependingonthe
sizeoftheselectedweathercoverageareaandIridiumsignalstrength.
Thesystem retrieves all available WorldwideWeather products within the selected coverage area during
aninitial GFDS Data Request, regardless of which products(if any) are currently enabled for display. On
subsequentrequests, previouslyretrievedtextual data (suchas METARsandTAFS) isretained ifit hasnot
expired,whilenewtextualweather datamatchingthecurrentcoveragearea andallgraphicalweatherdata is
downloadedduringeverydatarequest.