Apparently aircraft built in the Czech Republic use black wire as the power wire, who knew…..
FAA Certified Avionic Repair Station
The GDL 69A unit failure, any guesses why ?
Appareo Stratus ADS-B compliant transponder, excellent transponder. excellent price point $2995.00 (for the unit)
Garmin audio panel (GMA 345) Garmin GTN 650, Garmin GTX345 Transponder and dual Garmin G5’s