Ten freight and logistics companies will provide input towards the design and operation of the cargo facilities at Western Sydney Airport.
Air freight volumes fell for an eighth consecutive month in June amid business uncertainty and ongoing trade tensions between China and the US, IATA says.
Qantas says it plans to introduce the Airbus A321 for its freight business from October 2020 as part of an expanded agreement with Australia Post.
Cathay Pacific has warned of "tremendous pressure" on yields amid strong competition, slowing demand for air travel and a difficult cargo market.
International Air Transport Association (IATA) figures show global cargo volumes recovered slightly in March after four consecutive months of contraction.
Qantas is replacing two Boeing 747-400F freighters with the larger-capacity 747-8F for its cargo services to China and the United States from July 2019.