The TRIG Transponders with US TSO approval are coming here on or about October 1st..however, any of the TRIG Transponders here in the USA "at this time are non-TSO' d"
The next shipment coming will be have the TSO approval, (note: Trig Avionics is pleased to announce that the TT21 Mode S transponder has been awarded FAA TSO C112c, C166a and C88b approvals. ) These are expected here October 1st.
Please see these listed on http://www.wingsandwheels.com/page4.htm
tim
Please visit the Wings & Wheels website at www.wingsandwheels.com


"jcarlyle" wrote in message ...
Trig hasn't posted anything yet, but look he

http://rgl.faa.gov/Regulatory_and_Gu...2?OpenDocument
http://rgl.faa.gov/Regulatory_and_Gu...1?OpenDocument
http://rgl.faa.gov/Regulatory_and_Gu...D?OpenDocument

The TT21/TC20 transponder received FAA approval for TSOs C112c (Mode
S), C166a (ADS-B and TIS-B), and C88b (Altitude Encoder) on 10 Sep
2009. So it's now official...

-John