Airport Development Group (ADG) acquiried a lease for the three Northern Territory Airports comprising Darwin International Airport, Alice Springs Airport and Tennant Creek Airport, from the Commonwealth Government, with a commencement date of 10 June 1998 and total consideration in the order of $110 million.
ADG is the ultimate parent company of the group (refer companies' structure diagram.) ADG owns 100% of Northern Territory Airports Pty Ltd (NTAPL) which, in turn, owns 100% of Darwin International Airport Pty Ltd (DIA) and Alice Springs Airport Pty Ltd ASA) who are respectively the holders of a 50 year lease over Darwin International Airport and Alice Springs Airport with free options to renew for a further 49 years.
ADG also owns 100% of Tennant Creek Airport Pty Ltd (TCA) who are the holders of a 50 year lease over Tennant Creek Airport with free option for a further 49 years.
Airport Development Group is majority Australian owned, a requirement of the Airports Act 1996.