State of the art panel .... well at least it was in 1986 when I installed the pair of KX155's,
the HSI, ADF, and audio panel. Even though the KN65 DME, KN74 RNAV, and Century I autopilot
(installed by the previous owner in '75) were already bordering on obsolete, I decided
to keep them in the panel where they remain to this day. Since then I have added
a few more gadgets to the panel:
The UBG16 was installed because the Mastin CHT measurements were no longer accurate and
the company was not around anymore to fix it. I left it in the panel for the fuel flow function
although that has largely been replaced by the more versatile FlightSaver display:
