Melbourne Airport has been waiting for the federal government to sign off on its third runway project, with the transport minister accused of sitting on the decision for 18 months.
Speculation has whirled into a frenzy earlier this week with news that several unidentified drones had been seen flying over RAAF Base Williamtown and Newcastle Airport in early July.
Union Civil Air said it would apply to the Fair Work Commission to authorise a vote in a move that could potentially lead to huge delays and cancellations across airports nationwide.
