Two large Army transport planes are heading to Townsville to support more than 1000 emergency and defence personnel in areas hammered by Cyclone Debbie.
A C17 and smaller C27 are expected to land at Townsville on Wednesday along with another aircraft carrying Premier Annastacia Palaszczuk, an air traffic controller told AAP.
It's believed the aircraft are bringing personnel and supplies, including drinking water, to North Queensland.
Several F/A-18 fighter jets moved from Townsville ahead of Cyclone Debbie are also returning to their home base.
Despite the chaotic weather, impacts on international travellers have been minimal with delays of up to an hour affecting some flights.
"They just go around the storm," the air traffic controller, who did not want to be named, said.
And while significant rain and potential flash flooding from the former slow-moving category four cyclone, which is now a rain depression, is expected to hit the state's southeast it won't likely cause much disruption at Brisbane airport.
"It would have to be cyclonic conditions for the airport to close," the air traffic controller said, adding that winds were much more of a problem than heavy rain.
