The ACCC is concerned that the proposed acquisition will have the following negative impacts on competition: a. lead to significant concentration and the removal of Alliance as a strong competitive constraint on Qantas in an already concentrated industry, with Qantas and Alliance being two of the top three operators in regional and remote Queensland and Western Australia. Relevantly, Qantas and Alliance own more than half of all medium-sized aircraft with around 60 to 160 seats in Australia. For smaller aircraft, which are also used to service these locations, Qantas and Alliance both have significant fleets;