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TIS LIMITATIONS
While the G1000 does not display indications for TIS availability, the service may be unavailable in the
radar coverage areas for any of the following reasons:
• Radar Out – The radar site may be out of service. If the TIS Mode S sensor is not operational, TIS is not
available.
• Out of Radar Range – Traffic beyond the maximum Mode S site range is not shown. If your own aircraft
or any other traffic is beyond the range of the TIS capable Mode S site, TIS is not available.
• Radar Cone of Silence – Whether your own aircraft or the other traffic is above the radar site in the cone
of silence and out of range of an adjacent site, TIS data is not received.
• Below Radar Coverage – If your aircraft or the other traffic is below radar coverage, it is not seen. In flat
terrain, the coverage extends from about 3000 feet upward at 55 miles. Terrain and obstacles around the
radar site can further decrease radar coverage in all directions.
• No Transponder – Aircraft without an operating transponder are invisible to TIS. Aircraft without altitude
reporting capability are shown without altitude separation data or climb descent indication.
190-00692-00 Rev. B
Figure 6-64 Map Setup Menu
Garmin G1000 Pilot's Guide for Piper PA32
HAZARD AVOIDANCE
6-65
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