Piper J3
Well Known Member
I?m having a low-level Baro Alt problem with my uAvionix ADS-B installation. Most PAPR?s are good but some come back with close to 2% Baro Alt error and are marked red for failure. I talked with FAA ADS-B folks at Oshkosh last week and they said problem is intermittent with my altitude encoder reporting. So maybe encoder is bad or wiring problem. See post http://www.vansairforce.com/community/showpost.php?p=1362932&postcount=21
My question?. I bought my 12 from original builder and I?m familiar with all the systems but I can?t figure out where the altitude encoder is located. I have early SN 12 with Garmin GTX-327 transponder and D-180 EFIS. I have looked at electrical schematic and construction drawings but have yet to find info on altitude encoder installation.
Any help appreciated. Thanks in advance?
My question?. I bought my 12 from original builder and I?m familiar with all the systems but I can?t figure out where the altitude encoder is located. I have early SN 12 with Garmin GTX-327 transponder and D-180 EFIS. I have looked at electrical schematic and construction drawings but have yet to find info on altitude encoder installation.
Any help appreciated. Thanks in advance?