OPERATIONS MANUAL

Navigation Systems
ATC Transponder System:
For TCAS warnings, refer to chapter Flight Instruments and
chapter Warning Systems.
The ATC system includes two antennas, two transponders, and a single
ATC control panel. Pressure altitude data for the altitude reporting
function is provided by the ADCs. The air-ground status is set by airground
relays: the transponders are automatically deactivated when the
aircraft is on the ground.
SYSTEM
ANALYSIS
In the simulator, the physical transponder status is indicated on Instructor
> Analysis > Miscellaneous by a 6-digit string. The 1st digit indicates the
mode (1=off, 2=on, 3=on with altitude reporting), the 2nd digit indicates the
ident function (0=ident off), and the last four digits indicate the active code.
The string is also accessible through the simulator’s main network.
Antenna locations
Top transponder antenna
Bottom transponder antenna
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