Yes, all that has been discussed ad nauseam in the Rumours & News forum. Does anyone know if a self test has been proposed or commercialised?
A pitot static system is a physcial thing. It needs an external test device to prove it. That needs a competent person to do the test. I would never operate a Drunk test set without the training. B1.1 . Not passed the levels of knowledge to be proved as competent.