New Zealand's airports have hit back at claims they have chased "excessive profits".
The New Zealand Airport Association has accused an airline lobby group of trying to confuse the public and ignoring investment in airport infrastructure.
The squabble follow Australasian group, Airlines for Australia and New Zealand (A4ANZ), alleging that Auckland Airport had claimed "excessive profits" of $3.6 billion over the past two decades.
Read more:
• The $3.6b row: Airlines say law allows airport to give the 'one finger salute'
• ComCom and Auckland airport at odds over profitability
• Airports on both sides of the Tasman under fire from airlines
Chief executive of NZ Airports, Kevin Ward, claimed airline lobbyists were spreading "false and misleading information about airport regulatory and commercial models".