"I've never seen........"
Probably because the tight-fisted beancounters who had the FINAL SAY , over the heads of your flight ops and training requirements, on what would be bolted into your future 'frame, decided to pass on that option.
What do you think the AOA probes on most modern shiny jets measure?
The info is there, the guage/dial/EFIS Iinterface is just not there because THEY don't think it's useful/safer/necessary.
An engineer could correct me, but you might even find the wiring and the multi-connector plug (hopefully) safely tied up behind your instrument panel(s). All that's needed is a suitably placed hole and tens of thousands of local currency to your friendly xAA to certify it's fit for use.
Simples!
