One of the cool new offerings spied a few weeks ago at the AEA
2009 Convention were a pair of new Transponders being repped by
Southeast Aerospace. Southeast Aerospace is a factory authorized
sales & service center for a great number of manufacturers. and
is also approved and certified by many other aircraft OEMs and
maintenance organizations. Southeast Aerospace is located at
Melbourne International Airport (KMLB) on Florida's Space
The Trig Model TT21 is a unique compact remote mount Mode S
transponder system with a total weight of just over 1 lb. It is a
'2 Part System' and includes an integrated altitude encoder, and
features low power consumption, is a European Mode S compliant unit
designed for light aviation.
It is an ED-73B Class 2 compliant Mode S level 2 datalink
transponder, with support for extended squitter, with an LCD
Display, easy to use rotary knobs, requires only minimal panel
space, and can be installed in a standard 2¼" cut-out. The
TT21 supports ADS-B out.
The Trig Model TT31 is a standard size Class 1 Mode S
transponder. The TT31 fits in the same mounting tray as the KT76A
transponder, making it a great choice for either upgrades or new
installations. The TT31 is a European Mode S unit featuring low
no cavity tube, and plug and play installation.
It utilizes a backlit LCD display, easy to use rotary knobs, and
offers a timer/stopwatch function, altitude monitor, and Certified
1090ES ADS-B out capabilities. The TT31 is TSO approved for
European and FAA registered aircraft.