They no longer service Polar or Atlas, in fact some ill feelings there, although I am told a family member still works at Prestwick hangar for Polar and is how they sourced the Belfast, doubtful there is any connection apart from livery to the Heavylift UK Company.
Heavylift Australia aka South Pacific Ground Handling aka South Pacific Airmotive
Here’s a couple of interesting links
http://www.atsb.gov.au/aviation/occu...ail.cfm?ID=333
Or try Google, South Pacific Airmotive
Perhaps this is why CASA are a little interested?
Here is their new venture
www.iasc.gov.au/iasccurr.aspx