VH-AIA was the first in OZ.
After it left Island Airways in Hervey Bay, it was operated by UnionAir/IslandAir for Tangalooma Air. EER also did that run.
UnionAir/IslandAir operated at various stages RUT, EER, AIA and a Trislander that was sold to an outfit in Cessnock.
One (RUT?) had a door cut into the tailcone so long logging tools could be loaded into the cabin.
A crew change run from TWB to Moomba in winter was an all day affair.
One of the best trips I ever did was from Mooree to TWB at night with a full moon. Just climbed to first available cruising altitude above LSALT and turned the cockpit light down. Magic