Maybe try on the Rotorheads forum, as it's a fairly common thing for rotary wing crews to do.
There are a few 'dunker' courses available in Aust, but I don't know about InZid.
There is at least one mob who do a bit of a travelling roadshow, but I guess it would be easier to fly people this way across the Tasman than to take the whole kit and kaboodle the other way.