ZK-KFB?
Any connection to the following perhaps? (from mrcaviation blog)
Sir Peter Jackson's brand spanking new Gulfstream V-SP (550) ZK-KFB/2 touched down at Auckland just on 1520 today, 01Jun, concluding its delivery flight to NZ. Arriving direct from Honolulu, the V-SP had crossed from Savannah, Georgia the previous day.
Unlike the first ZK-KFB which was operated by Auckland's Air National, this machine is being operated by Sydney based Execujet and it is understood the jet will initially be housed in a hangar at Melbourne/Essendon. Execujet manage some 70 aircraft globally.