Packer's S-76
I have found one of Kerry Packer's S-76s: VR-BNR/VP-BNR regn to Sunningdale Investments Ltd, and I think this might be the UK example as it was noted at Blackbushe on several occasions during the period it was registered (1992-1998).
The company was also the registered owner of a DC-8 VR-BLG/VP-BLG that was operated at the same time as 'BNR.