CNF: Belo Horizonte /Belo Horizon, Minas Gerais, Brazil Aeropuerto Internacional Tancredo Neves

What does CNF mean? The above is one of CNF meanings. It may have other definitions. Please refer to the end of this passage.

Definition in English: Belo Horizonte /Belo Horizon, Minas Gerais, Brazil Aeropuerto Internacional Tancredo Neves