(Old) transponder repair
Next year most of my avionics are going to be replaced, but my transponder has decided it can't wait, and has started playing silly b*ggers. Mode A is corrupt, and Mode C had me somewhere near orbit yesterday, according to ATC !
It's an old Cessna 400 unit. Does anyone know who might do a quick (reasonably priced) running repair, or where I might buy another second hand (again, reasonably priced) ? I really don't want to start upgrading the panel just yet.
For those who are into this stuff, this has coincided with the autopilot (Cessna 400 again) disengaging after about 30 seconds for no apparent reason ...)
Thanks for any help / advice.
Hugh