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Thread: Trig TN70 GPS receiver

  1. #1

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    Trig TN70 GPS receiver

    I didn't see the STC for a Super Cub PA-18 listed in the Trig website for their GPS receiver and antenna, TN70 and TA70 in the approved model list. I have seen them installed, what am I missing?

    Dan

  2. #2
    wireweinie's Avatar
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    TN 70 is included as part of the approved equipment in the TT22 and TT31 STC paperwork.

    Web
    Life's tough . . . wear a cup.

  3. #3
    Steve Pierce's Avatar
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    FAA has a letter approving ADS-B equipment in like airplanes even if the particular airplane is not on the AML.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  4. #4
    wireweinie's Avatar
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    I sign them off as a minor variance on the STC. The PA 20 is listed in the AML, so what is the deference in installation from a PA 20 and a PA 18?

    AML's make sense for many items, but rarely, if ever, are applicable to avionics or instruments. ADS-B systems are a great example. I could literally install any of these systems in a car or even on a bicycle and it would work just fine, even though Schwinn is not on the AML. Same for radios or airframe instruments. I've installed lots of E.I. ammeters in Beavers, as per instructions, and they've worked correctly for years. The key is to make sure these items are installed in accordance to the manual.

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  5. #5

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    Got it, thanks.

  6. #6
    Steve Pierce's Avatar
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    Here is the Memorandum I was directed to when I question Trig.
    Attached Files Attached Files
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

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