Since new airport at Natal/Brazil has been open to use, the IATA=NAT is about SBSG airport, and SBNT airport the new IATA code is NSA.

The data provided on IATA=NAT is partially right.

Both information on Brazilian rotaer (official information on Brazil airports):
https://aisweb.decea.mil.br/?i=aerodromos&codigo=SBSG
https://aisweb.decea.mil.br/?i=aerodromos&codigo=SBNT