Avionic licence??

[noisy]

Hello All,

I am developing my electronic skills. This is career I would never have considered as a kid, but now I have to make the best of it.

This means I am completely ignorant of what goes on in the avionics maintenance world. I know that when the maintenance shop at my local airfield have a sick radio to deal with they subcontract to a specialist.

What do you have to do to repair avionics, what exams etc.

Thanks,

Noisy