Information about Apply for Australia/NZ mutual recognition of air operator's certificate Apply for mutual recognition of your AOC if you are intending to operate to within or from New Zealand. Apply for or vary an air transport air operator's certificate Apply for or vary an air transport air operator's certificate. AOC aircraft descriptions Identify how aircraft are described on an AOC and understand what the authorisations encompass. Carriers' liability insurance If you transport passengers you must have carriers liability insurance. Financial viability assessment Find out out how to complete a financial viability assessment for your AOC. Show more Show more Show less Also see Australian air transport operations - smaller aeroplanes (OPS.135) - protocol suite Read our protocol suite for making decisions on aircraft operations. Show more Show less