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AIM

10/12/17

4

−5−9

Surveillance Systems

b. Requirements.

1. In order to use TIS, the client and any intruder

aircraft must be equipped with the appropriate
cockpit equipment and fly within the radar coverage
of a Mode S radar capable of providing TIS.

Typically, this will be within 55 NM of the sites
depicted in FIG 4

−5−5, Terminal Mode S Radar Sites.

ATC communication is not a requirement to receive
TIS, although it may be required by the particular
airspace or flight operations in which TIS is being
used.

FIG 4

−5−4

TIS Proximity Coverage Volume

FIG 4

−5−5

Terminal Mode S Radar Sites