Virgin Australia now doing flights from Sydney to Singapore?

Virgin Australia now doing flights from Sydney to Singapore?

I saw the flight on FlightRadar24 as VOZ9949

Here is the link to the flight on FlightAware: http://flightaware.com/live/flight/VOZ9949

Is this a regular service

Virgin do their 777-300er Matinence checks in Singapore, This is not a regular service.

That would most likely have been a relocation flight following maintenance, as VA certainly don't do scheduled flights to SIN.

Does Virgin still do flights to Abu Dhabi that aren't codeshares with Etihad

Not at the moment; those are suspended because of the 77Ws flying to SIN for maintenance.

Are there passengers on these Singapore flights?

no, just a few engineers and crew