April 17, 2009

EASA, the European Aviation Safety Agency, has approved the Trig Avionics TT31 Mode S transponder for ETSO C166a, the ADS-B technical standard for 1090 MHz extended squitter transmission. The TT31 is the world’s first transponder to receive this European approval, and provides a cost effective route to next generation ATC surveillance. All TT31 transponders are […]

November 27, 2008

TT21 Mode S transponder is world’s smallest and lightest Trig Avionics Limited, of Edinburgh, Scotland, has introduced a new lightweight Mode S transponder. The TT21 transponder system meets all the Mode S transponder requirements but weighs less than 500 grams. With an ultra-compact front panel controller and a small transponder block the new TT21 will […]

February 27, 2008

TT31 Mode S transponder now has 1090MHz Extended Squitter ADS-B out capability Trig Avionics Limited, of Edinburgh, Scotland, has released a new version of their popular TT31 Mode S transponder that includes support for ADS-B output. Next generation air traffic management systems in Europe, the USA and Australia will all use ADS-B as part of […]