NT Airports refinance bank debt facilities of $550 million 17 June 2019 NT Airports refinance bank debt facilitiesAirport Development Group Pty Ltd (ADG), owners and operators of NT Airports Pty Ltd (NTA), comprising of Darwin International, Alice Springs and Tennant Creek Airports, today announced it has successfully closed a full refinancing of its syndicated bank debt facilities. Click here to read the full media release.