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Thread: WTB Terra transponder

  1. #1
    Spdcrazy's Avatar
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    Default WTB Terra transponder

    I believe my Terra TRT-250 is dead. Anyone have one of these ancient beasts laying around? Looks like I could also use the next model newer (TRT-250D)

    Thank you.

    Sent from my Moto Z (2) using ShortWingPipers.Org mobile app

  2. #2
    6PapaWhiskey's Avatar
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    Default Re: WTB Terra transponder

    I used to own some Terra radios some time back, so I'm a bit familiar. Never installed them - just resold them. The pinout for the 250D looks the same, but the racks on the digital Terra models are deeper than the early units. According to the installation manuals, the 250D rack is 1.12" deeper. So if you switch to the 250D, you'll need a new rack and a bit more space behind the panel. The good news is that the connectors and backplate are the same. You can download the manuals for the TRT250D and all of the Terra radios here: http://ellisonavionicsservices.com/i...egory/trt-250d

    Whichever replacement you get, make sure it has complied with the Terra transponder AD: http://rgl.faa.gov/Regulatory_and_Gu...3?OpenDocument

    Tom P.
    Wagabond @ 08A

  3. #3
    Rick's Avatar
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    Default Re: WTB Terra transponder

    I believe I have one but I can't remember if it was working or not when I took it out. I'll be out at the hanger today and take a look at what I have.

  4. #4

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    Wellsville,ks
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    Default Re: WTB Terra transponder

    Have a transponder , call 785-521-0244

  5. #5
    Spdcrazy's Avatar
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    Default Re: WTB Terra transponder

    Quote Originally Posted by Rick View Post
    I believe I have one but I can't remember if it was working or not when I took it out. I'll be out at the hanger today and take a look at what I have.
    Awesome Rick. Let me know what you come up with. I did find my antenna was completely broken off. So I have replaced that. However I think the transponder is also dead. Didn't pass the functionality test.

    Sent from my Moto Z (2) using ShortWingPipers.Org mobile app

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