Thanks for the info folks. There is a period of time when Norfolk will be the closest strip that we can land on so I'm only thinking of an onboard fire situation really, otherwise it will be Ausi or NZ.
I'm still a bit hazy on the activation of the lights so I might ring them as witwiw suggested and clear it up in my mind. As far as I can see the Unicom would likely be unmanned after normal business hours and I may not be able to get the PAPI's and REIL's fired up at all. If there was PAL I am sure it would have stated it on the Aerodrome page of the Jepps.
I think Air NZ still operate scheduled flights in there so hopefully one of those chaps will chime in.
Cheers