A-port Operaciones S.A is an airport operator and manager headquartered in Santiago, Chile. Established in 1997, the company is responsible for operating and managing Diego Aracena regional airport, in the city of Iquique, in northern Chile's Antofagasta region (II), moving close to 1 million passengers per year; and Cerro Moreno airport, in the city of Antofagasta, with an annual traffic of 1.3 million passengers. In Colombia, A-port's subsidiary, A-port Operaciones Colombia S.A.S., entered a technical consulting contract with El Dorado International Airport's operator OPAIN S.A. In Curaçao, the firm provides operation and maintenance services for Hato International Airport. A-port is owned by Swiss airport operator Flughafen Zürich AG and Chilean company Holding IDC S.A.