ADSB Transponder Installation - EO Required?

[john_tullamarine]

I'm not at all sure that's how the CASA regulatory boffins see things. I would be much more comfortable were someone to cite an authoritative reference to support the suggestion that if it's a plug and play you don't require an EO - inferring that there is no need for additional assessment.

FAR 23 Subpart F and, in particular, FAR 23.1309, is a wide-ranging animal and offers all sorts of opportunities for the unwary to get it slightly, or significantly, wrong ... I can't help but think that some folk here might be setting themselves up for a potential fall ? The litigation, post mishap, has great potential for financial ruin if you get it wrong ..

I'm not an electrical chap but, having seen some of the undesirable permutations and combinations of which gremlins are capable ..