The Czech Finance Ministry received four bids for a majority stake in Ceske Aerolinie AS, the national airline. Air France-KLM Group, Aeroflot’s Darofan AS, Odien AV III AS and the group of Unimex and TVS placed bids for CSA, as the airline is known, the Prague-based ministry said in an e-mailed statement today. The government expects to choose a winner by 30 September.