James Sleeman wrote:
On Dec 28, 12:21Â*pm, wrote:
Removing and installing instruments and avionics is not difficult but
only an authorized mechanic can legally do it.
Only an authorized avionics technician can work on avionics
(repairing).

Qualifier: in certified aircraft.

Another qualifier : Slide-in replacement radios (except transponders) can
be removed and installed in production aircraft by the owner/operator.

John Galban=====N4BQ (PA28-180)

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