User's Manual

TT21/TT22 Transponder Installation Manual 13 July 2009
00560-00 Issue AF
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Page 10 Trig Avionics Limited
 Fixings. To secure the transponder tray to the airframe you will need
at least 3 flat head screws and three self-locking nuts. If the aircraft
does not have existing mounting provisions you may need to fabricate
additional brackets to support the transponder tray.
To support the optional ADS-B features a GPS receiver with an appropriate
serial output is required.