Radio Hauraki, originally New Zealand ‘s first off-shore pirate radio station and now a successful commercial broadcaster is the feature of a recent movie and documentary. The TV doco is previewed on the Stuff website.
A 1996 documentary can be viewed here at New Zealand On Screen.
Audio of a 1966 broadcast can be found on Youtube.
[youtube=https://www.youtube.com/watch?v=beVIYFo1bB8]