Would anyone recommend or condone the use of a gps in lieu of an adf in a ndb approach?
As I understand it - legal in the US, not so in Oz.
Legal here too - if you're Qantas!
CASA 157/14 - Instructions ? GNSS as primary means of navigation for NDB and VOR (overlay) approach (Qantas Airways Limited)
Nosewheel, on your initial issue plan on not using the autopilot on any of the approaches, he may allow enroute
At my school, we were encouraged to use the A/P whenever practical, especially enroute, but in the end it was u/s for my test so the whole thing was hand-flown.