Master Beta
To fly them out, they would have had to be assembled first.
Even if the crates were 'bull dozed in', the amount of salvagable aircraft left behind would be quite large.
Have you ever been to Wangaratta to see what they are rebuilding? To see what they are starting with... ?
Ever heard of Tropical Packaging? Even with the bulldozing, the preservation level will be quite high.
If they weren't bull dozed, its going to be even higher.