Estación Aeronaval de Salina Cruz is a military naval air station located near Salina Cruz, a major Pacific port city in the state of Oaxaca, Mexico. It operates under the Mexican Navy (Secretaría de Marina) and primarily serves defense and patrol functions along the Pacific coast. The facility holds the IATA code SCX and ICAO code MMSZ, and while it is listed in aviation databases, it functions predominantly as a military installation rather than a commercial passenger airport. Limited civil aviation activity may occur, but scheduled commercial airline service is not a primary function of this facility.