If you knew what had to be turned away because of nowhere to put it, you would be shocked. I know I was. And most of them were free as well!
I'm not asking you to betray a confidence, but at least give us a clue Old Horse.
Definitely pre 1945?
If not; airliner, turbo-prop, jet?
It need not be too alarming, they have plenty of space in NZ, and extremely competent support staff. (Which is not always the case in Blighty.)