UPDATE! On Friday 15 December, N38MD continued from Mount Isa to Darwin, calling into Tennant Creek and RAAF Base Tindal (Katherine) for fuel on the way.
Of interest, N38MD was one of five Eurocopter AS365 N3/N2/N1 helicopters - N82MD, N94MD, N38MD, N61MD, N93MD - that were acquired by McDermott Aviation / Heli-Lift Australia on medical retrieval and other general charter work.
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As shown above, it appears that their previous operator was the Maryland State Police Department.