"Jim Phoenix" wrote:

How someone can manufacture an "aircraft part" that is installed in type
certificated products that doesn't meet HIRF/EMI requirements is beyond
me... good thing the Friendly Aviation Association doesn't know or care
about these "carry on" or so-called "portable" devices that we wire into our
gliders and interfere with our sometimes TSO'd VHF communication equipment.

It's not just that they don't "meet HIRF/EMI requirements"
and it's not just loggers and GPS units. We've got non-TSO'd
flight computers, varios and other flight instruments being
widely sold and installed in the panels of gliders with U.S.
Standard Type Certificates. You don't find products like
this being sold for installation in airplanes, except to
homebuilders.

This has always been the "elephant in the room" that
everyone in U.S. soaring familiar with the FARs pretends not
to notice. Sometimes its nice to have that experimental
certificate.