FLIGHT INSTRUMENTS
Volume 2
Flight Crew Operating Manual
Dec 05/2006
11-02-12
CSP 100-6
REV 7
GRAPHICAL WEATHER (OPTIONAL)
The Challenger 300 may be equipped with either the optional GWX-5000 or GWX-3000 Graphical Weather system.
Weather images for the GWX-5000 are uplinked via a VHF datalink system from the Information Service
Provider (Universal Weather). Weather images for the GWX-3000 are provided via a satellite Information Service Provider
(XM Satellite Weather Service).
To determine which version of Graphical Weather is installed, Push the STAT button on the MFD Control panel to display
the STATUS page on the MFD. Push the UPR or LWR MENU on the MFD control and select FILE SERVER CONFIGU-
RATION from the list of menus to display the FSU CONFIGURATION. The XM weather installation is designated GWX-
3000 and Universal Weather GWX-5000.
GRAPHICAL WEATHER (GWX-5000)
The GWX-5000 function allows the pilot to view graphical weather images one at a time on the MFD. New and saved
GWX images are requested by the pilot via controls on the MFD control panel. The GWX image can be a forecast or ob-
servation image. Forecast images include WINDS ALOFT, ICING, and TURBULENCE. Observation images include
NEXRAD, TOPS/MOVEMENT, and Weather (WX) depiction. Each datalinked GWX image is paired with a correspond-
ing geopolitical background image. A title/time banner is displayed for each GWX image. The NEXRAD precipitation im-
age is the only image available as an overlay on the Plan Map format.
Occasionally, the National Weather Service incorrectly identifies test data that exhibits unrealistic weather patterns. Exam-
ples are:
1. Pie-slice shaped pattern.
2. Circle-shaped pattern.
3. Bulls-eye shaped pattern.
When an image of this nature is encountered and you suspect the data is in error, wait until the next image update cycle,
request a new image, and verify the test pattern is removed.
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