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    GTN 750 trainer Flight Data Log file location

    Using the GTN 750 trainer I can go to utilities->logs-> Flight Data Log Just as the real 750 it says "Exporting" for awhile. In the real unit it writes to the SD card. Where on my PC is it putting that file? In general where is the SD card?
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    iFly interfering with other GPS units on the aircraft

    I have two airplanes with Garmin GTN 750 units. Awhile ago I determined that when I turned on my iFly 720 it would take down the Garmin GPS (it would lose all satellites ). When I sent the unit to Adventure Pilot they said that the mother board was toast but they would sell me a new iFly 740 at...
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    Flight plan loading into GTN750

    Is there any newer documentation or tools for importing a flight plan into my GTN750 from the SD card? I have a copy of the Guideline for GTN Flight Plan and User Waypoint Files, rev 1, Dec. 2014. Is there newer documentation or perhaps a tool to convert a Foreflight flight plan into the format...
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    When is an STC required?

    I can't use a link - (per this site's restrictions on new members) this is from www.faa.gov/aircraft/air_cert/design_approvals/stc/stc_app/ An STC will not be issued to: approve minor changes, or for approval of identical replacement parts, unless the installation of such parts constitutes a...
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    When is an STC required?

    Thanks. This provides the answer. It appears that a GPS is considered to have an appreciable effect on "operational characteristics" of an aircraft and that is how it is considered a major alteration. On the Rosen question that was made to see if anyone could actually justify that STC. I've...
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    When is an STC required?

    23.93 “minor change” is one that has no appreciable effect on the weight, balance, structural strength, reliability, operational characteristics, or other characteristics affecting the airworthiness of the product" and anything else is a major change. A major change requires an STC (per 21.113)...
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