I would be grateful for any expert avionics view out there on the question of the likely fault in my altitude encoding on a Garmin GTX 328 transponder. This produces entirely sensible altitude read o
David, Not that I am an expert on the 328, but we have a number flying successfully. It is pretty much a plug and play piece of equipment. It sounds as if your altitude encoder is separate and not pa
Bud, thanks for that. I do a lot of group flying including trips like going down over Spain at altitudes of 10,000ft or more. This has given me the chance of checking my conventional altimeter and EF
David, Sorry but the encoders are normally hooked to the rest of the static instruments. However, it would be prudent to have an avionics repairman check the whole system. The encoder analog systems
Bud, Today I have finally got round to removing my panel and tracing the wiring. I found a faulty connection in the middle row of the multiple small pin connector to my Blue Mountain EFIS, correspond
Way to go David. Nine times out of ten, it is a bad ground or broken pin connection. It just takes time to troubleshoot. Bud, Today I have finally got round to removing my panel and tracing the wirin