PK-OAS was on this AB-204B for a few days before the correct registration, PK-OAU was applied. But it was long enough to fly from Sydney airport, where it had been overhauled, to Bankstown to be demonstrated to Indonesian executives. It then returned to Sydney airport.
PK-OAU was registered PK-LBB. After overhaul it joined the Airfast fleet in Indonesia. The last two letters of the registration have been applied with duct tape after initially being painted as PK-OAS. PK-OAU is believed to current.