Vessel broke down (engine failure) proceeding on auxillary. Porirua Rescue picked up the casualty and towed back.
Links:
[1] http://coastguardmana.org.nz/users/mark-presling
[2] http://coastguardmana.org.nz/users/trevor-farmer
[3] http://coastguardmana.org.nz/crv/mana-rescue-ii