AirNav RadarBox Manual
8
Copyright 2010 by AirNav Systems
Why can I see aircraft in the list but they do not appear on the map?
Some aircraft, although they are fitted with Mode S transponders, do not transmit full ADS-B
positional information. Without position information, it is impossible to display the aircraft on the
map. In the example below, the first 2 aircraft in the list have Mode S transponders, but they are not
transmitting ADS-B position information. However, it is still possible to see the identity and type of the
aircraft and their altitude. The last 2 aircraft are transmitting full position information (shown by the
Globe in the first column) and will appear on the map. Note that military aircraft will often show in
the aircraft list, but for security reasons, do not transmit their position.
What will not show on RadarBox?
Older aircraft, or small light aircraft and helicopters might not be fitted with the appropriate
equipment and so will not appear in the aircraft list or on the map screen. See Tracking Military
Aircraft for more information.
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